Someone says that love is a rose with thorns(刺). It is attractive from a ______, but as soon as you touch it, you might get hurt.
We should try all means to ensure ourselves_____ all possible risks.
Can you tell me_____ difficult the exam turns out to be?
Indonesia_____ some 3,000 islands stretching more than 2,000 miles from east to west.
It was not____ she took off her dark glasses____ I realized she was Julia Roberts.
You should try to get a good night’s sleep_____ much work you have to do.