问题

A moment, please. I’m checking if Mrs. Brown _________ free tomorrow.
A:is
B:being
C:to be
D:will be
B:being
C:to be
D:will be
正确答案是:
同类题型
Tom has been here ______ just one year, but his father has worked here ______ ten years ago.[ ]
I’d love to come to your beautiful house. If you invite me, I _______ say “no”.
We can’t ________ the bus before it stops.
Excuse me. May I sit here?—I’m afraid you _________. My daughter will come back soon.