1、【题目】________ (catch) in the rain, he was wet to the skin.

答案：

Caught (Having been caught,Being caught)

解析：

暂无解析

1、【题目】Wewerebusy________(get)thingsreadyforthetrialproductionwhenhephonedus.

答案：

解析：

1、【题目】He refused to tell us whether he ________ (undertake) the job.

答案：

would undertake

解析：

暂无解析

1、【题目】Some molecules are large enough ________ (see) under the electronic microscope.

答案：

to be seen

解析：

暂无解析

1、【题目】Thefloordoesnotlooksobadwhen________(sweep)clean.

答案：

解析：

1、【题目】Thedirectorrecommendedthatshe________(study)moreEnglishbeforegoingabroad.

答案：

解析：

1、【题目】A great number of small power stations ________ (set up) in their county since liberation.

答案：

have been set up

解析：

暂无解析

1、【题目】Heaskedmewhethermybrother________(fly)toBeijing.

答案：

解析：

1、【题目】he teacher told them since light ________ (travel) faster than sound,lightning ________ (appear) to go before thunder.

答案：

travels, appears

解析：

暂无解析