Car rental agencies _______ a boom in business ever since new restrictions made it harder for people to buy an automobile in the capital.
| A．has enjoyed | B．have been enjoying | C．are enjoying | D．enjoyed |
You’d better give the task to _____ you think can finish it ahead of time.
| A．whoever | B．whomever | C．anyone | D．no matter who |
I don’t think John saw me; he _____ into space.
| A．just stared | B．was just staring | C．has just stared | D．had just stared |
As a writer _____ the new century, he is popular among the teenagers.
| A．belongs | B．belongs to | C．belonging | D．belonging to |
_____ the great efforts we had made three years before, we failed to carry our plans through.
| A．While | B．Although | C．Even if | D．In spite of |
Although this medicine can cure you _____ your illness, it has a bad effect _____ you.
| A．for; in | B．for; on | C．of; on | D．of; at |