A.What a pleasure!
B.That‘s true.
C.Never mind.
D.That‘s terrible.
第1题:
Mark sometimes ______ to the cinema with his sister.
A、go
B、gos
C、goes
D、going
第2题:
I______to be a scientist when I______ a boy.
A、wanted, was
B、want, am
C、wanted, am
D、want, was
第3题:
I am maintaining my course and speed.
A.changing
B.keeping
C.altering
D.going
第4题:
A、to going
B、go
C、to go
D、going
第5题:
Whose idea was it to go to the opera? I suggested________
A.go
B.to go
C.that go
D.going
第6题:
在学术界,回燃现象(backdraft)与吹炬效应(Blow-torch effect)都被称为风吹火(wind-driven fire),请问两者的主要区别(或发生原因)是什么?
A.回燃现象来源于大气层的不稳定性;
B.吹炬效应来源于开门动作;
C.高层建筑经常发生回燃现象;
D.地下室经常发生的是回燃现象;