A: Why did you go back to the shop?
B: I left my friends ________ there.
A.to wait B.waiting C.wait D.waited
The picture I took in Dalian ________ me of the time when I stayed there.
A.remembers B.tells C.says D.reminds
He has been ill for several weeks, so he has ________ in learning Maths.
A.many difficulties B.some difficulty C.a lot of troubles D.a trouble
Modest men are never________ of the progress they have made.
A.proud B.afraid C.certain D.thinking
Digital cameras are becoming more and more popular, but some still________ too much.
A.pay B.spend C.take D.cost
The dinner didn't start_______ all the friends arrived.
A.when B.while C.until D.whether