He_______have been here two hours ago, but he hasn’t_______by now.
–---What’s the matter with you? -----After the long walk, my legs ________ and I couldn’t go any further.
. We’re going to ________ with some friends for a picnic. Would you like to join us?
We have to _________ the wheat as soon as possible because a storm is on the way.
It was not a serious illness, and she soon _________ it.
. Be careful when you cross this very busy street. If not, you may _______ run over by a car.