— I wonder if you could go to the movie

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问题选择题

— I wonder if you could go to the movie with me.
— Oh, just leave me alone. I _____ a composition all the morning and haven't finished yet.

A. write
B. was writing
C. have written
D. have been writing

答案

答案：D

多项选择题

舌咽神经痛可能的临床表现有（）

A.可伴有心律不齐，甚或心跳停搏

B.扁桃体区、咽部、舌根部阵发性剧痛

C.睡眠时也可发作

D.可有痛性抽搐和喉部痉挛感

E.可引起昏厥和癫痫发作

问答题简答题

计算题：如图所示：已知三角形ABC中，∠A=30°、∠B=120°、b=12，求边长a、c和∠C。

sin120°＝（3）^1/2/2，sin30°＝1/2。