The experiment shows that proper amounts of exercise, if ___ regularly, can improve our health.
#94356
A
being carried out
B
carrying out
C
to carry out
D
carried out
推荐题目
English is difficult________. Nobody can learn to use it in a few minutes.
#94208
A
learning
B
to be learned
C
learned
D
to learn
English is too hard __ for some people.
#98662
A
to be master
B
to master it
C
to master
D
master
I was told that there were about 50 foreign students        Chinese in the school, and most       were from Germany.
#92567
A
who were studying ; of whom
B
who study; of them
C
studying; of them
D
study; of whom