Some people waste food. other people haven’t got enough to eat.A.whenB.untilC.si
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Some people waste food,________other people haven’t got enough to eat.
| A.when | B.until | C.since | D.while |
试题答案
D

Some people waste food,________other people haven’t got enough to eat.
| A.when | B.until | C.since | D.while |
D