I haven’t finished my homework yet. I my mother with the housework all day yesterday.
| A．helped | B．have helped | C．was helping | D．have been helping |
—You look upset. What’s the matter?
—I had my proposal again.
| A．turning down | B．turned down | C．to turn down | D．turned to |
Victor apologized for to inform me of the change in the plan.
| A．his being not able | B．his not being able |
| C．him not to be able | D．him to be not able |
I really you for your way of making decisions.
| A．accept | B．absorb | C．advise | D．admire |
These changes may cost quite a lot, _____ they will save us money in the long run.
| A．so | B．and | C．for | D．but |
The couple had quarreled all time before they their engagement
| A．broke down | B．broke through | C．broke off | D．broke out |