单选题
No sooner had they got the goods covered up ______ it started raining hard.
A、
when
B、
than
C、
then
D、
after
【正确答案】
B
【答案解析】
[解析] 本题考查连词固定搭配。no sooner...than...一…就…; hardly...when...一…就…;scarcely...when...一…就…。本句的意思是:他们刚把货物盖好,就开始下雨了。
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