Remember to look around ________ you cross the road, boys and girls.
A．till B．before C．until D．After
You'd better spend as much time as you can________ Maths and English.
A．learning B．to learn
C．have learned D．Learned
You should try your best to learn to swim ________ Tom.
A．as good as B．as better as
C．as well as D．so well as
Excuse me, you ________ open the door before the bus stops.
A．needn't B．may not
C．don't have to D．mustn't
—Jack will go to Dalian for his summer holidays. How about you?
—Sorry, I haven't decided ________．
A．where to go to B．how to go
C．when to go D．where to go
—Mr Smith will check our homework this afternoon.
_______ you ________ it?
—Not yet. I'm doing it right now.
A．Do; finish B．Had; finished
C．Will; finish D．Have; finished
