Do you know when ________?
Susan was expecting her favourite singers, but to her disappointment, _______ appeared.
______ 2010 Shanghai World Expo is a perfect opportunity to get ______ panoramic (全景的) view of the whole world without traveling thousands of miles.
—Do you mind if I smoke here?—______ I feel a bit sick.
Some of the engines were not suitable for the work they were ________ for.
一What do you think of the film last night?一To be honest, action films don’t ______to me much.