根据句意用所给动词的适当形式填空。

1.How do you like our city? Wonderful. I ___(stay) here for another two days.

2.Everyone in our class except the twins ____ (hope) to visit the Great Wall.

3.He won’t go camping next week because he is busy ______( study) for exams.

4.No smoking here . Oh, sorry. I ______ ( not see ) the sign.

5.I think every one of them  ________(solve) the maths problem at the moment.

6.The people in the northern part of China often make fires ____ (keep) warm.

7.Could you tell me when ______ (leave) for New York?

8.If you ______(not be ) careful, you will make mistakes.

9.There ______( be) an interesting film tonight, is there?

10.Look! There is a wallet _______ (lie) on the ground.

请根据句意从方框中选出合适的词，并用其适当形式填空，使句子通顺

     …important    culture    active    thirty-three    necessary…

1. The principal gave us a talk on the            of protecting the environment yesterday.

2. All of us are grateful to him because he always            helps us solve problems.

3. It’s             to tell him the details of the trip. He won't go with us tomorrow.

4. There are many history and              differences between China and England.

5. ―Who is the              President of the USA?  

   ―Harry S. Truman.

请根据句意从方框中选出合适的词，并用其适当形式填空，使句子通顺

     …important    culture    active    thirty-three    necessary…

1. The principal gave us a talk on the            of protecting the environment yesterday.

2. All of us are grateful to him because he always            helps us solve problems.

3. It’s             to tell him the details of the trip. He won't go with us tomorrow.

4. There are many history and              differences between China and England.

5. ―Who is the              President of the USA?  

   ―Harry S. Truman.