I regret _________ going on a holiday to France because of the bad weather last week.
| A．having given up | B．to give up |
| C．having given back | D．to give back |
______ running, learning English needs wills.
| A．As for | B．As to | C．As with | D．As if |
_____ man is known by _______ company he keeps.
| A．the; a | B．A; the | C．A; a | D．The; the |
I was so busy last year that I was almost mad. So I spent _______ I had with my family last month after I finished the project.
| A．what little time | B．little what time |
| C．that little time | D．little that time |
After having finished mopping the floor, he puts the mop back ______ it belonged.
| A．where | B．to where | C．to which | D．to the place |
The sooner one _____ to the new working conditions, the better it will be _______ his working efficiency.
| A．adapts, for | B．adopts, to | C．adjusts, to | D．admits, for |