Some of our industrial products have been said           advanced level.
#96304
A
to reach
B
to be reaching
C
to have reached
D
to have been reaching
推荐题目
This problem is said _______ three times, but he still can’t understand it.
#90815
A
to have been explaining
B
to have explained
C
having been explained
D
to have been explained
At the age of 29, Dave was a worker,  _____ in a small apartment near Boston and ______ what to do about his future.
#98919
A
living; wondering
B
lived; wondering
C
lived; wondered
D
living; wondered