---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
 —Id like a pen which _________ well.—Will this one _________?
#104160
A
writes; do  
B
writes; work
C
is written; do
D
is written;work
— Can I help you, madam?— Yes, I bought this air conditioner here yesterday, but it _____ now. 
#104569
A
didn’t work
B
won’t work
C
can’t work
D
doesn’t work
When we reached the stadium in a rush,  the newly-elected major ____ his speech and the performance _______.
#102284
A
have finished ; began
B
had just finished; was about to begin
C
had just finished; had begun
D
just finished; began