问题补充:
His mother could do nothing but for the doctor to arrive.
A. to wait
B. waiting
C. waited
D. wait
答案:
A. to wait
B. waiting
C. waited
(答案→)D. wait
解析:考查固定用法。can/could do nothing but do sth else别无选择只好做某事。“前有do后省to”,当前面出现do时,后面省略不定式符号to。故选D。
时间:2020-04-27 22:03:51
His mother could do nothing but for the doctor to arrive.
A. to wait
B. waiting
C. waited
D. wait
A. to wait
B. waiting
C. waited
(答案→)D. wait
解析:考查固定用法。can/could do nothing but do sth else别无选择只好做某事。“前有do后省to”,当前面出现do时,后面省略不定式符号to。故选D。