Robert is said________abroad, but I don't know what country he studied in.
| A．to have studied |
| B．to study |
| C．to be studying |
| D．to have been studying |
At present, how we can look after ______ old is becoming ______ hot and severe issue.
| A．the, a | B．a, the | C．a, a | D．the, the |
It is the duty of the police to ______ social order.
| A．deserve | B．reserve | C．preserve | D．conserve |
If children are asked to help with housework, they will feel needed. ______, they will learn to take care of themselves.
| A．On the contrary | B．In a word | C．That is to say | D．What’s more |
---Why not wear your miniskirt, Rose?
--- Well, my legs are too thick, if you ______ know.
| A．should | B．must | C．may | D．need |
We students are so busy with our homework that we have no time for outdoor exercise, ______ we have the desire.
| A．wherever | B．whenever | C．even if | D．as if |