Various efforts over the centuries _________ to predict earthquakes to reduce the damage.
#99978
A
are being made
B
have been made
C
were made
D
were being made
推荐题目
By the time he realizes he ______ into a trap, it’ll be too late for him to do anything about it.
#102277
A
walks
B
walked
C
has walked
D
had walked
To our great relief, Jack’s illness proved not to be as serious as we ___.
#99958
A
had feared
B
has feared
C
would fear
D
feared
His pale face suggested that he _____ ill and his teacher suggested that he ______to the hospital at once.
#101906
A
be; send
B
were; should send
C
was ; be sent
D
were ; be sent
This is his only request that the room ______ after being used．
#101544
A
is cleaned
B
will be cleaned
C
would be cleaned
D
be cleaned
—What do you think of our country?—Very beautiful.You know it is the first time that I here.
#101729
A
will be
B
was
C
have been
D
had been