________ pollution, not enough heat is leaving the earth．


  1. A.
    Because
  2. B.
    Because of
  3. C.
    So
  4. D.
    As

A lot of ________ live in ________, they love their land．


  1. A.
    Africans; African
  2. B.
    African; Africa
  3. C.
    Africans; Africa
  4. D.
    Africans; African

Let's stop working and ________ an hour．


  1. A.
    relaxing for
  2. B.
    relax during
  3. C.
    relaxing during
  4. D.
    relax for

Ladies and gentlemen, please ________, our guest is coming!


  1. A.
    be quiet
  2. B.
    quiet
  3. C.
    be quite
  4. D.
    quite

Some animals sleep ________ the day and get up ________ night．


  1. A.
    during; at
  2. B.
    at; during
  3. C.
    at; in
  4. D.
    in; in

The cute boy, Tom is only ________．


  1. A.
    five years
  2. B.
    five year
  3. C.
    five years old
  4. D.
    five year old

The little lion like ________ her friends in the sunshine．


  1. A.
    play with
  2. B.
    to play with
  3. C.
    to play from
  4. D.
    playing from

They ______ some places of interest after they arrived in China.


  1. A.
    will visit
  2. B.
    had visited
  3. C.
    are visiting
  4. D.
    would visit

She wanted ________ my dictionary.


  1. A.
    borrowed
  2. B.
    to borrow
  3. C.
    borrowing
  4. D.
    borrow

Lucy's pen ________ well.


  1. A.
    writes
  2. B.
    is written
  3. C.
    was written
  4. D.
    writing
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