A Frenchman who lost his arms and legs successfully swam across the Channel, a challenge he           for two years.
#102833
A
has been preparing
B
had been preparing
C
has prepared
D
prepares
推荐题目
--Hi, Mary!-- Oh, it's you. Jack! I ______ you. You look like a star with the glasses.
#100417
A
didn't recognize
B
don't recognize
C
haven't recognized
D
hadn't recognized
. The Roman Empire _____ for several centuries.
#103601
A
exists
B
existed
C
was existed
D
is existing
The new type of computer ________ better if it is advertised on TV.
#102490
A
will sell
B
sells
C
would sell
D
will be sold