It is because English is being widely used at present __________.
| A．why we learn it hard | B．that we learn it hard |
| C．which we must learn | D．when we should learn |
It took him a long time to ______ the skills needed to become a professional artist.
| A．acquire | B．inquire | C．Require | D．request |
We should take care of the blind. It is immoral to _______ them.
| A．make room for | B．make fun of | C．make up for | D．make use of |
Look out! Don’t get close to the building. It _________.
| A．was rebuilt | B．has been rebuilt | C．is being rebuilt | D．had been rebuilt |
If you _______ spit at all. pleasespitin the bucket provided.
| A．shall | B．must | C．should | D．may |
He is sweating heavily. He _______ weightlifting for a long time.
| A．could have practiced | B．can practice | C．must have practiced | D．might practice |