.--- I was lucky the win a gold medal in the800-metre race.--- You ____ through hard training.
#102776
A
must go
B
should go
C
must have gone
D
should have gone.
推荐题目
Since the time humankind started gardening, we _____to make our environment more beautiful.
#99086
A
try
B
have been trying
C
are trying
D
will try
If nothing ________, the oceans will turn into fish deserts.
#100592
A
does
B
had been done
C
will do
D
is done
My sister ________ for long when she fell seriously ill.
#100024
A
didn’t marry
B
has been married
C
hadn’t been married
D
wasn’t married
Don’t telephone me at 8 a.m. tomorrow — I ________ a meeting.
#102183
A
am having
B
will be having
C
am about to have
D
have had
All the work ______ ,and we are going to leave..
#103928
A
complete
B
completing
C
have completed
D
has been completed