摘要： until, not-until until到-为止. not-until直到-才I waited until 3:00. He didn’t come until 3:00.
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As we all know,________, the pollution will get worse and worse.
A. not if carefully dealt with
B. until not carefully dealt with
C. if not carefully dealt with
D. when not carefully dealt with
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It was ______ 7:30 that he _________ home yesterday, so his parents were very worried.
A．until; not got B．not until; got C．until; didn’t get D．didn’t until; got
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As we all know,________, the pollution will get worse and worse.
| A．not if carefully dealt with |
| B．until not carefully dealt with |
| C．if not carefully dealt with |
| D．when not carefully dealt with |
_________ one has a child will one realize how great one’s parents are.
|
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It was ______ 7:30 that he _________ home yesterday, so his parents were very worried.
| A．until; not got | B．not until; got | C．until; didn’t get | D．didn’t until; got |