“Not all my friends smoke” means :____.
| A．None of my friends smoke | B．All my friends smoke |
| C．Some of my friends smoke | D．My friends don’t smoke |
Sue had her luggage _________ an hour before her plane left.
| A．check | B．checking | C．to check | D．checked |
My English name is Mary. Each of the students in our class _______ given an English name.
| A．were | B．was | C．has | D．have |
Doctors say that exercise is important for health, but it _______ be regular exercise.
| A．can | B．will | C．must | D．may |
There was a lot of fun at yesterday’s party. You _______, but why didn’t you?
| A．should come | B．may come | C．ought to have come | D．may have come |
Students continue to eat in school canteen______ they complain the quality of the food .
| A．as though | B．even though | C．as long as | D．unless |