It's time to work now．
OK． I'll wake Carl up． He______for an hour．（ ）
A．has fallen asleepB．has been asleep
C．fell asleepD．falls asleep
Harry invited me_______ with him when his parents were out of town．（ ）
| A． |
stay |
B． |
stayed |
C． |
staying |
D． |
to stay |
Jerry， have you ever been to the Great Wall？
Yes． I______ there with my parents last year（ ）
| A． |
go |
B． |
went |
C． |
will go |
D． |
have gone |
Tony was drawing a picture_______ I was doing my homework．（ ）
| A． |
if |
B． |
because |
C． |
while |
D． |
until |
Must I come before 6：30 tomorrow？
No， You______． There will be plenty of time．（ ）
| A． |
mustn't |
B． |
can't |
C． |
couldn't |
D． |
needn't |
Can you open a gift______ after you receive it in England？
Yes． We don't have to wait．（ ）
| A． |
mainly |
B． |
immediately |
| C． |
nearly |
D． |
loudly |