To a doctor, the most important thing is _______.
A. to save b. saving C. to saving D. saved
The templein 1902 is still in good condition.
| A．was built | B．being built | C．built | D．to be built |
His reactionthe news is surprisingly calm.
| A．to | B．of | C．at | D．on |
Always read theon the bottle carefully and take the right amount of medicine.
| A．explanations | B．instructions | C．descriptions | D．Introductions |
—I’m not finished with my dinner yet.
—But our friendsfor us.
| A．will wait | B．wait | C．have waited | D．are waiting |
—How long _____ he ______ in the USA?
—Three years. But he never regrets coming back to China.
| A．did;live | B．has;lived | C．does;live | D．will;live |