Old Henry _________ take his dog for a walk after supper. But these days he is too weak to do that.
A．has to B．is able to C．used to D．got used to
There are about more than five ___________ "left-behind" students (留守学生) in China.
A．million B．millions C．million of D．millions of
He doesn’t know _________ English because he has studied it for only ________
weeks
A．much; a few B．little; few C．few; a little D．a few; a bit
She likes musicians __________ write their own lyrics.
A．who B．which C．when D．whose
Jane studies chemistry ________ asking the teacher ________ help.
A．for; by B．for; to C．by; by D．by; for
They would like to go _____________ for vacation.
A．to somewhere relaxing B．to relaxing somewhere
C．somewhere relaxing D．relaxing somewhere
