求IF条件句中的虚拟语气题10道

1.I wish I ______ longer this morning, but I had to get up and come to class.
A. could have slept B. slept C. might have slept D. have slept
2.The chairman requested that .
〔A〕the members studied more carefully the problem
〔B〕the problem was more carefulnessly studied
〔C〕with more carefulness the problem could be studied
〔D〕the members study the problem more carefully
3. The committee recommends that the matter at the next meeting .
〔A〕would be discussed
〔B〕will be discussed
〔C〕be discussed
〔D〕may be discussed
4. The doctor insisted that his patient .
〔A〕that he not work too hard for three months
〔B〕take it easy for three months
〔C〕taking it easy inside of three months
〔D〕to take some vacations for three months
5.that the time will soon be ripe for intervention in Iran，they would be faced by a large army?
〔A〕It is believed
〔B〕Should they believe
〔C〕They would believe
〔D〕If t