нужна помощь, буду премного благодарна)

  • I. Write the correct form of the verb in the blank.
    1)Water (boil) ______ at 100 0C.
    2) An astronomer (observe) __________ the universe throught optical and radio telescopes.
    3) Red blood cells (circulate) _________ in the circulatory system.
    4) The corrosin of silver (produce) __________ silver sulphide.
    5) A rheostat (vary) ______ the current in a circuit.
    6) The stomata in a leaf (open) _______ and (close) _________ to allow the exchange of oxygen for carbon dioxide.
    7) Children usually (resemble) ______ their parents.
    8) A well-equipped laboratory (supply) __________ water, air, and steam.
    9) Many international students (major in) _________ technological fields.
    10) The nervous system (be) _____ a mechanism by which an animal (perceive) _____ and (respond to) ________ it's environment.

    II. Put the verb in the sentences in the correct tense, Present Simple or Present Progressive.
    1) Ms. Davis ______ (teach) Maths.
    2) Classes _______ (start) at nine o'clock.
    3) Alec ________ (take) an HND course.
    4) He _______ (study) at Telford College this year.
    5) On Tuesdays, _________ he (study) in the library.
    6) He ________ (want) to be a Civil Engineering.
    7) He ________ (work) on a project about a new bridge.
    8) A lot of local people __________ (not/like) the proposal.

  • Anna97 19 декабря 2017, 00:42
    I. Write the correct form of the verb in the blank.
    1)Water (boils___ at 100 0C.
    2) An astronomer (observes _________ the universe throught optical and radio telescopes.
    3) Red blood cells (circulate_______ in the circulatory system.
    4) The corrosin of silver (produces ________ silver sulphide.
    5) A rheostat (varies _____ the current in a circuit.
    6) The stomata in a leaf (open______ and (close________ to allow the exchange of oxygen for carbon dioxide.
    7) Children usually (resemble______ their parents.
    8) A well-equipped laboratory (supplies _________ water, air, and steam.
    9) Many international students (major in _________ technological fields.
    10) The nervous system (__is__ a mechanism by which an animal (perceivex_____ and (responds to) ________ it's environment.

    II. Put the verb in the sentences in the correct tense, Present Simple or Present Progressive.
    1) Ms. Davis ______ (teaches Maths.
    2) Classes _______ (start at nine o'clock.
    3) Alec ____is____ (taking an HND course.
    4) He ____is___ (studying at Telford College this year.
    5) On Tuesdays, _________ he (studies in the library.
    6) He ________ (wants to be a Civil Engineering.
    7) He ___is_____ (working on a project about a new bridge.
    8) A lot of local people ____do______ not like) the proposal.