— I enjoyed the food very much.
— I’m glad you liked it. Please drop in any time you like.
— ____
| A．Is it all right? | B．I’m afraid I won’t be free. |
| C．Yes, I will. | D．That’s great. |
I, who ____ your teacher, will try my best to help you with your English.
| A．is | B．are | C．be | D．am |
All that can be done _______.
| A．has been done | B．has done | C．have done | D．were done |
The man couldn’t _____the fact that the lost watch was found in his house.
| A．explain for | B．account for | C．amount to | D．refer to |
Towards _______evening, ________ cold rain began to fall down.
| A．an; a | B．/ ; a | C．the; the | D．the; a |
Whether life will continue on the earth for millions of years ______will depend on ____this problem can be solved.
| A．to come; if | B．coming; if | C．to come; whether | D．coming; whether |