---How can you keep slim as a mother of two sons?---I _______ in the gym for years.
#102426
A
have worked out
B
have been working out
C
have worked on
D
have been working on
推荐题目
Over the past few years the cost of living _______________considerably.
#101621
A
has been raised
B
has risen
C
was raising
D
was rising
In the past several weeks, many cities in Northern China from heavy fogs and severe cold.
#99857
A
had suffered
B
have been suffering
C
were suffered
D
suffered
---- It is demanded that the letter ___by the end of this week , dad !----I’ll do it immediately .
#103403
A
should mail
B
was mailed
C
mailed
D
be mailed
—Wow, what a large crowd!—Yes, And they______ in the cold wind for hours. You know, Premiere Wen Jiabao is coming here.
#103751
A
will be waiting
B
have waited
C
are waiting
D
have been waiting
Bruce _________his leg when he _____ in a football match yesterday afternoon.
#103664
A
broke; played
B
has broken; was playing
C
broke; was playing
D
was breaking; played