I kept asking Mr. Smith to stay for lunch and he finally ___________.
| A．gaveup | B．gaveout | C．gavein | D．gaveaway |
—Dad, when shall we go to visit my grandpa?
—Grandpa is very busy at present．We'll go to see him whenever __________.
| A．he is convenient | B．he will be convenient |
| C．it is convenient to him | D．it will be convenient to him |
Do you think the idea he stuck ____correct?
| A．to proved | B．to prove | C．proved | D．to proving |
The hungry man eats his food _______he hadn ' t eaten for a week.
| A．as if | B．even though | C．such as | D．like as |
We must ________ our task, however hard it is.
| A．carry about | B．carry off | C．carry on | D．carry away. |
________ the same mistake again made his parents very angry.
| A．His being made | B．He had made | C．He had making | D．His making |