第二语法和词汇知识(共15小题;每小题1分,满分15分)从A、B、C、D四个选项中,选出可以填入空白处的最佳选项。We ____last night, but we went to the concert instead. A. must have studied B. might study C. should have studied D. would study
You ____ television. Why not do something more active?
Turn on the television or open a magazine and you ________ advertisements showing happy families.
The detective, ________ to read a newspaper, glanced at the man ________ next to a woman.
At first, they worried about the situation but things ______quite well.
Only when our country has aircraft carriers _______ our distant islands more effectively.