It’s so noisy. I can’t _____.
| A．go to bed | B．fall sleep | C．fall asleeping | D．fall asleep |
---____ will he be back?
---In a week.
| A．How long | B．How soon | C．How often | D．How many |
---Did you hear the rain?
---______ .
| A．Until 30 minutes |
| B．Until 30 minutes later |
| C．Not until 30 minutes |
| D．Not until 30 minutes later |
Jack ______ be in the library. He is playing football on the playground.
| A． | can't | B． | can | C． | need | D． | must not |
_________ interesting information it is!
| A．What | B．What an | C．How | D．How an |
---Where is your mother?
---She _______ the supermarket to buy some food.
| A．went to | B．has gone to | C．has been to | D．had gone to |