________ you’ve heard the song, you’ll never forget it.
| A．At once | B．Once more |
| C．Once upon a time | D．Once |
Catherine, the alarm clock for 6 o’clock, or you would oversleep and be late for the exam.
| A．set | B．sets | C．setting | D．to set |
—Can you believe I had to pay 20 dollars for a haircut?
—You should try the barber’s ______ I go. It’s only 10 dollars.
| A．as | B．which | C．where | D．that |
Women prefer to think and then speak, whil
e men like to speak as they _________.
| A．think | B．have thought | C．thought | D．are thinking |
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-- Jack fell off the ladder yesterday, but he is all right now.
---What a lucky dog! He _________ himself badly.
| A．should injure | B．could have injured | C．should have injured | D．might injure |
A large number of people in the city _______ to watch yesterday’s match against Korea.
| A．turned on | B．turned in | C．turned around | D．turned out |