Mary _________ as a volunteer teacher for 10 years.
#42380
A
works
B
will work
C
worked
D
has worked
推荐题目
The students are sorry to hear that the famous writer ________ for ten minutes.
#42501
A
has left
B
has gone
C
has gone away
D
has been away
The earthquake ____ when I ____ some cleaning.
#40065
A
starts, was doing
B
started, was doing
C
was starting, was doing
D
starts, were doing
There was going to ___ a struggle between her two friends. She doesn’t know __ to deal with it.
#41830
A
be, how
B
has, what
C
be, what
D
have, how