The research they had been devoted to ______ to be of great value to the cancer patients.
#103621
A
is proved
B
proves
C
has proved
D
proved
推荐题目
Mary liked the watch so much that she used what she had to pay for it. Now only five cents____.
#101954
A
remained
B
left
C
was remained
D
was leaving
Call me when you_ ____at the railway station, Alice, I’ll go there to meet you.
#99841
A
arrive
B
would arrive
C
have arrived
D
are arriving
Travelers_______________ that they should bring their ID cards with them．
#103716
A
have reminded
B
are reminded
C
were reminding
D
had been reminded
This ship set sail and gradually disappeared where the sea ________ the sky.
#99500
A
meets
B
reflects
C
catches
D
connects
He ＿＿articles for our wall-newspaper these three years, and he ＿＿about forty articles.
#104399
A
has been writing； has written
B
has been writing； wrote
C
is writing； has been writing
D
has written； has written