"Can I help you,sir?"---"Yes, I bought this radio here yesterday, but it ____work."
A. didn't
B. won't
C. can't
D. does't
查看答案
统计表明，对自己家庭境况不满意的学生，其抱负水平比一般学生低。（）
A. 对
B. 错
You may leave the classroom when you ________writing.
A. will finish
B. are finishing
C. finish
D. had finished
过分追求成功很容易导致一个人的自我挫败。
A. 对
B. 错
I haven't met him for ages, but his mother ______ him every day.
A. had seen
B. sees
C. has seen
D. saw
微信支付 
支付宝支付