Years ago we didn't know this, but recent science ______ that people who don't sleep well soon get ill.
#104011
A
showed
B
has shown
C
will show
D
is showing
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The library needs ________, but it’ll have to wait until Sunday.
#104295
A
cleaning
B
be cleaned
C
clean
D
being cleaned
Since she is out of work, Lucy________ going back to school, but she hasn’t decided yet.
#103551
A
had considered
B
has been considering
C
considered
D
is going to consider
His uncle went abroad in 2010, and _______since．
#101894
A
has not been heard of
B
had not been heard of
C
had not heard of
D
has not heard of
(2014·宝鸡三检)By the time the girl comes back to life，scientists probably________a cure for this incurable disease.
#99123
A
will have discovered
B
are discovering
C
will be discovering
D
have discovered
-- I hear Jane has gone to the Holy Island for her holiday ? --- Oh, how nice ! Do you know when she __________ ?
#101243
A
was leaving
B
had left
C
has left
D
left