18.As students,we ________ study hard to make our country more beautiful and stronger.( )
| A. | should | B. | may | C. | can | D. | could |
17.We will have finished ________ Unit 15by April.We can review all the lessons.( )
| A. | learning | B. | learn | C. | learned | D. | to learn |
14.-Could you tell me ?
-Certainly.( )
-Certainly.( )
| A. | where are you going now | B. | when you will visit London | ||
| C. | what do you want to say | D. | why were you late again |
13.-How is the food,children?
-Wow!It delicious.( )
-Wow!It delicious.( )
| A. | feels | B. | looks | C. | turns | D. | tastes |
12.-As a student,you use cell phones in class.
-Sorry,I won't( )
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-Sorry,I won't( )
| A. | couldn't | B. | needn't | C. | mustn't | D. | may not |