—I'm sure Andrew will win the first prize in the final.—I think so.He ________ for it for months.
#99752
A
is preparing
B
was preparing
C
had been preparing
D
has been preparing
推荐题目
 —Do you like traveling? —Sure. I _____ to Australia six months ago, but I _____ anywhere since then.
#102982
A
went; didn’t go
B
have gone; haven’t been
C
went; haven’t been
D
went; hadn’t been
Five workers ____ the mine disaster. After the injured ___ to the hospital, doctors and nurses immediately got down to saving their lives. 
#101953
A
was survived; rushed
B
survived from; were rushed
C
survived; was rushed
D
survived; were rushed
I am tired. I ______ all day.
#104217
A
am working
B
have been working
C
worked
D
have been worked
 The vegetables in his field ________ well, because they are pollution­free.
#99491
A
are selling
B
have been sold
C
are sold
D
sell