The manager was concerned to hear that two of his trusted workers ______. 
#102158
A
will leave
B
are leaving
C
have left
D
were leaving
推荐题目
 These dictionaries ______ the library again by you.
#103063
A
will be taken out of
B
will take out of
C
won’t taken out or
D
won’t be taken out of
The new method Mr.Wang has been devoted to _____ effective.
#101806
A
is proved
B
to prove
C
being proved
D
proves