The experiment shows that proper amounts of exercise, if _____ regularly, can improve our health.
#67898
A
being carried out
B
carrying out
C
carried out
D
to carry out
推荐题目
By using ears one can tell the direction ____ a sound comes.
#73198
A
in which
B
from which
C
with which
D
through which
You should make it a rule to leave things _______ you can find them again.
#70500
A
when
B
where
C
then
D
which
She is a woman of great knowledge, _______ much can be learned.
#68758
A
in whom
B
about whom
C
of whom
D
from whom
The reason_______ his being late for school was______ he missed the train.
#68510
A
for because
B
why that
C
why because
D
for that