__________ the program , they have to stay there for another two weeks.
| A．Not completing | B．Not having completed |
| C．Not completed | D．Having not completed |
The students have been working hard on their lessons and their efforts______ success in the end.
| A． |
rewarded |
B． |
were rewarded |
| C． |
will reward |
D． |
will be rewarded |
The most pleasant thing of the rainy season is _____ one can be entirely free from dust.
| A． |
what |
B． |
that |
| C． |
whether |
D． |
why |
______ over a week ago, the books are expected to arrive any time now.
| A． |
Ordering |
B． |
To order |
| C． |
Having ordered |
D． |
Ordered |
My grandfather still plays tennis now and then, ________he's in his nineties.
| A． |
as long as |
B． |
as if |
C． |
even though |
D． |
in case |
________it easier to get in touch with us, you'd better keep this card at hand.
| A． |
Made |
B． |
Make |
C． |
Making |
D． |
To make |