问题

It was the first timethat Mike______the piano at the concert hall and he hoped that his nervousnesswould go ．

A:played；unnoticed
B:had played；unnoticed
C:played；unnoticing
D:had played；unnoticing

正确答案是：

同类题型

–-I feel down now. All my work goes for nothing.—___________. That’s life.

In Britain, people won’t touch you or push past you if you’re _________.

________ where we can stay for a week.

The Medical Research Council said it could not _____use of the new drug without further tests.

you seen ______ workers passby— Yes, I’ve seen ____ them.