To a doctor, the most important thing is _______. A. to save b. saving C. to saving D. saved
Alone in the garden sat the girl, thinking, for a long time, of _______ life was like with her teachers and classmates in the past.
To ______ good relationships with your teachers and classmates, you should learn to share ups and downs with them.
—Do you still remember the first time you _______with a girl? —Not exactly, but I remember it was a Sunday.
There are altogether fifty-four students in our class, _____ is a new comer from a faraway mountain village.
If you think the price of pork is too high, you _____ as well buy some beef. It depends on you!