This, I think, ___ the first time that we ___ traveling together. Would you like to join us?
He looked around and caught a man ______ his hand into the pocket of a passenger.
It is very important for us parents to be ______ ___in educating children.
All of them felt it necessary that they______ __the meeting
-We had_____ really cold February this year-I can’t remember_____ spring when it snowed in Changzhou.
I have a lot to say in relation ______ _the affair.