I won't buy this iPhone unless the price __________ to under 2,000 yuan.
It was 1969 _____ the American astronauts succeeded in landing on the moon.
----I can’t see the words on the blackboard clearly. ----Why, your eyes need _____. Perhaps you need ______ glasses.
I _____ to help you but I was not able to spare any time. I _____a paper last night and I’ll have to finish it today.
What’s that actor _____that we saw in the film last night?
Not only _____interested in changing teaching methods but _____beginning to show an interest in it.