1、【题目】________(fail)severaltimes,theyneedsomeencouragement.
答案：
解析：
1、【题目】The director recommended that she ________ (study) more English before going abroad.
答案：
study
解析：
暂无解析
1、【题目】________(catch)intherain,hewaswettotheskin.
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
1、【题目】heteachertoldthemsincelight________(travel)fasterthansound,lightning________(appear)togobeforethunder.
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
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