There __________a pool in the park, but now it is gone.
| A．used to have | B．used to be |
| C．will be | D．must be |
—Do you know Robert?
—Yes, He is__ university student. He likes sports and runs for ___ hour every morning.
A a; a B a; an C an; an D an; a
They stayed in Beijing for a few days and visited some ________.
| A．interest places | B．place of interests |
| C．places of interests | D．places of interest |
If you have headaches often, you need _______ .
| A．see a doctor | B．seeing a doctor |
| C．to see a doctor | D．not see a doctor |
He wasn’t _____ to understand the questions.
| A．quick enough | B．enough quick |
| C．quick as | D．quickly enough |
The strong young man can swim ______ the river.
| A．through | B．across | C．past | D．though |