[问答题]Take an umbrella with you in case of rain.
He took his umbrella ______ it should rain.A. in case ofB. in caseC. for fearD.
Youd better ___ an umbrella in case you get caught in the rain.A. takeB. tookC.
[名词解释] 防护（protection against）与保护（protection for）
_ home than it began to rain.A. No sooner had reached HelenB. No sooner Helen ha
____ home than it began to rain.A. No sooner had reached HelenB. No sooner Helen
They ________ football when it started to rain.A. were playingB. playedC. playD.
[问答题]()I came back because of the rain.
[问答题]I came back because of the rain.
Hardly ______ the office when it began to rain.A. did I leaveB. had I leftC. I l