_______ good for our health.
#43570
A
Do exercise is
B
Doing exercise is
C
Do exercises are
D
Doing exercises are
推荐题目
The number of people invited to the wedding yesterday ______ two hundred, but a smallnumber of them ________ absent .
#85843
A
is ; are
B
was ; was
C
was ; were
D
are ; were
