— I have got a backache.— That’s not surprising. You ______ in front of that computer too long.
#100916
A
work
B
worked
C
have been working
D
are working
推荐题目
Mr. White, who___________ moved to the south of France, still lives in London.
#104812
A
think to have
B
think had
C
though have
D
thought had
He _________in the early morning so he packed everything he needed the night before.
#100472
A
leaves
B
had left
C
was leaving
D
has left
After Jack had sent some e-mails, he _______ working on his project.
#102159
A
had started
B
has started
C
started
D
starts
----- I’m going to the States. ----- How long ______ you ______ in the States?
#104148
A
are; stayed
B
are; staying
C
have; stayed
D
did; stay