.I think ______ quite difficult _______ all the tasks in time.
| A．that, to finish | B．it, finishing |
| C．it, to finish | D．that, finish |
-Steven, could you help me_______ when the plane will take off on the Internet?
-I'm sorry, my computer doesn't work.
| A．look after | B．look out |
| C．look up | D．look for |
— The little boy is afraid of _________ out at night.
— Oh, he should be braver.
| A．go | B．goes | C．going | D．to go |
The scientist is very modest. He never______.
| A．show off | B．shows on |
| C．shows off | D．show on |
The story makes her _________.
| A．laughs | B．laugh | C．laughing | D．to laugh |
It was difficult for me to _______ this morning because I slept too late last night.
| A．wake up | B．go up |
| C．pull up | D．pick up |