It is difficult ____ me ____ English well. But I’ll study harder.
| A．to, learn | B．for, learning |
| C．for, to learn | D．to, to learn |
It’s so noisy. I can’t _____.
| A．go to bed | B．fall sleep | C．fall asleeping | D．fall asleep |
Dogs are too _____ to take care of.
| A．difficult | B．more difficult | C．most difficult | D．the most difficult |
I saw him ________ the supermarket just now.
| A．goes | B．comes | C．enter | D．arrived |
Why don’t you _____ a soccer ball?
| A．to get him | B．get he | C．getting him | D．get him |
You’d better ____ football in the street.
| A．play | B．not play | C．not to play | D．not playing |