【单选题】Tom ___ ill yesterday ,so he didn ’ t go to school.
【单选题】Tom had a headache, _____ he didn ’ t go to the party.
【单选题】Cathy didn ’ t go to Tom ’ s birthday party last night because she ______the baby for her sister until 9:30.
A.
must have looked after
B.
would have to look after
D.
should have looked after
【单选题】Tom had headache, ________ he didn ’ t go to the party.
【单选题】颅内手术后,头部翻转过剧可引起的并发症有