The experiment shows that proper amounts of exercise, if ______ regularly, can improve our health.
#81315
A
being carried out
B
carrying out
C
carried out
D
to carry out
推荐题目
— I need to advertise for a second-hand mountain bike.— _______？David just plans to sell his present one.
#82558
A
Why bother
B
Why not
C
So what
D
What for
While watching television,______.
#80789
A
the doorbell rang
B
the doorbell rings
C
we heard the doorbell rings
D
we heard the doorbell ring
At the foot of the mountain ________, which caught my eye.
#83063
A
a beautiful wooden house lay
B
lay a beautiful wooden house
C
did lie a beautiful wooden house
D
did a beautiful wooden house lie
Tom doesn’t want to take part in any school activities,________.
#84199
A
and David doesn’t too
B
and David doesn’t either
C
and so doesn’t David
D
and either does David