The door _______ open, no matter how hard she pushed.
| A．shouldn‘t | B．couldn't | C．wouldn't | D．mightn't |
Who is it up _____ decide whether to go or not?
| A．to to | B．for for | C．to for | D．for to |
____ that they are inexperienced, they have done a good job.
| A．Giving | B．To give | C．Given | D．If given |
Thank you for the trouble you have ____ to help me.
| A．paid | B．taken | C．had | D．asked |
I like swimming, while what my brother enjoys ____.
| A．cooking | B．to cook | C．is cooking | D．cook |
We’ll be free tomorrow, so I suggest ____ to the history museum.
| A．to visit | B．visiting | C．we should visit | D．a visit |