Don’t forget to call me when you arrive in Shanghai.—Well, I will call you as soon as I ___ there.

nt two weeks in London last summer.— Then you must have visited the British Museum during your stay, _______ you

Bob called to tell his mother that he couldn’t enter the house, for he ________ his key at school.

Mary _________a professor for half a year.

It will not be he returns from abroad