We should _____ the rubbish when we go travelling. A. take off B. turn off C. take away
— Who helped Li Lei with his English? — , he learnt it by himself.
My school is different theirs. It has many after school clubs.
I didn’t understand ______, so I raised my hand to ask.
We still gave the boy another chance ______he made some mistakes.
You can never imagine the great difficulty I had ______ her QQ number.