I’m sorry to have kept you waiting.—Oh, not at all. I ______here for only afew minutes.

must have been a large number oftourists in Sanya during the past Spring Festival, __________

I find _______ faster to take a plane there, so I am considering _______ there .

I have got a headache –No wonderYou ___in front of that computer too long

Do you often stay up?—No. I always get a good night’s sleep _______ much work I have to do.