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
—Mom, today I received a message telling me to send money to the account.—Delete it. It’s a trick. Many a person ________ by such tricks.
#102137
A
have been cheated
B
were cheated
C
has been cheated
D
was cheated
Just an hour ago he was telling me on the phone that he ________ home right after the work.
#99724
A
comes
B
came
C
would come
D
will come
—Oh, my God. I forgot my purse in the shop.—Oh, not again. Why ____ you always ______ something?
#101678
A
do; leave
B
did; leave
C
are; leaving
D
have; left
It is the first time that I ______________ such a beautiful scene.
#103248
A
saw
B
see
C
had seen
D
have seen
—How long have you been in this office?—Just a few minutes. My cousins_______here together with me.
#104982
A
have walked
B
had walked
C
walked
D
have been walking