Many people can't learn any lessons from the mistakes they've made _____ they get hurt somehow.
| A．whether | B．unless | C．if | D．as |
相关试题
When asked about the secret about staying young, he said that a balanced diet with exercise was the recipe for a healthy life.
| A．conducted | B．concluded | C．combined | D．connected |
The man had expected to see all his relatives when in hospital, but came to see him while many of his friends offered him their help.
A．none B．no one C
．someone D．anyone
The lift and we were trapped inside it.
| A．broke down | B．broke up | C．broke out | D．broke in |
Although I had read the book assigned by the professor several
times, it didn’t make any
to me.
| A．meaning | B．importance | C．sense | D．significance |
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