问题
What happened while Linda was______ the telephone?
A: in
B: at
C:on
D: into
B: at
C:on
D: into
正确答案是：
同类题型
The school of the future will probably be quite different from_____they are today
Mrs. Stanley looks gorgeous tonight. —The dark dress ____ her hidden beauty.
Sometimes I have a cup of coffee after lunch, but I don’t make a habit＿＿＿＿＿it
How happy we are! The holiday we have beenlooking forward _______ at last