题目内容
用准确的关系代词或副词填空
We'll put off the outing until next week ________ we don't be so busy.
Africa is actually connected with Asia at the spot ________ the Suez Canal was dug.
This is the first time ________ he has been here.
Please think of a situation ________ this idiom can be used.
The meeting was a success, ________ everybody was free to give their opinions.
