–Shall we go out for a walk? –Sorry. This is not the right __ to invite me. I am too tired to walk.
__________terrible luck he had yesterday!
Yesterday I met Jim. We ____________ each other since we _________ middle school.
---When did you return to China?---_________________.
The plane ____________when I got to the airport. I nearly missed it.
The rain has stopped. Why not ___________ the raincoat?