a. bikes should be left inside these gates after school hours
b. you may not leave your bike here except when the school is closed
c. it is forbidden to leave bikes here at any time of day
d. you may leave your bike in the school yard

what is the lowest temperature in the summer of the central country
a. 10^oC
b. 40^oC
c. 20^oC
d. 30^oC

a. bikes should be left inside these gates after school hours
b. you may not leave your bike here except when the school is closed
c. it is forbidden to leave bikes here at any time of day
d. you may leave your bike in the school yard

3. I/ couldn’t/ see/ more/ a few/ feet/ front/ me/ because/ the/ snow. (Use the given words to write a complete sentence)

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4. What/ pollution/ to/ is/ types/ the/ of/ most/ human/ harmful? (Rearrange the sentences to make meaningful sentences)

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1. Could/ you/ tell/ me/ what/ the symbol/ Scotland? (Use the given words to write a complete sentence)
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2.  poison/ Sewages/ lakes/ from/ such/ and/ water/ factories/ bodies/ as/ rivers(Use the given words to write a complete sentence)
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6. Justine was _____________ to John's birthday party last month.

      A. invited             B. inviting                  C. invite                     D. invites

7. If we dump a plastic into the ground, it __________ a long time to disappear.

     A. will take           B. take                        C. took                       D. takes

8. If people really cared about environment, they _____________ waste into rivers.

      A. didn't dump    B. don't dump            C. shan't dump          D. wouldn't dump

9. You _____________ so tired if you went to bed earlier.

      A. won't be          B shan't be                 C. couldn't be            D. wouldn't be

10. I would go jogging with Mark if he ________ here today.

     A. is                 B. will be              C. were                 D. would be