According to a survey, few children from single-parent families have a hobby and that hobby ______ last for only a year or two.
| A．ought | B．must | C．may | D．need |
You should understand the traffic rule by now. You’ve had it ________ often enough.
| A．explaining | B．to explain | C．explain | D．explained |
When ________ imported goods，people are ________ about all the different labels on food these days.
| A．choosing；confused | B．choosing；confusing |
| C．chosen；frightening | D．choosing；frightened |
What he said just now _____ me of that American professor.
| A．accused | B．reminded | C．informed | D．memorized |
When copying the paper，be careful not to ________ a single word.
| A．leave out | B．come out | C．begin with | D．come up |
Forty people got injured in a bus accident. Every ________ ambulance was rushed to the scene of the accident.
| A．available | B．enjoyable | C．suitable | D．acceptable |