My uncle ________ some computer knowledge while he was on business in London. [ ]

______ Emily is in such a hurry?—I don’t know. She might run to catch the bus.

Are you still going work on foot?—YesMy car _______ in the garage

I first met MrSmith in AmericaHe ______ at Stanford University then

Shall we go out for a walk—Sorry．I’m too busyto forthe moment．