— ____________we swim in that river? —No, you _______. It’s dangerous to swim there.
My parents________for fifteen years.
This math problem is as________as that one.I can’t work it out.
The boy likes to play tricks________the girls.So they don’t like him.
I waited for my friend for a long time at the bus station,but she didn’t________at last.
Please ask them________for the meeting next time.