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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To be honest, I didn’t______ him at first sight. About an hour later, I remembered him.
#101130
A
realize
B
understand
C
see
D
recognize
---- What’s that noise? ---- Oh, I forgot to tell you. The new machine ______.
#102011
A
was tested
B
will be tested
C
is being tested
D
has been tested
— Do you remember the first time we met?—At that time you ______us a lecture.
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A
had given
B
were giving
C
have given
D
gave
It can be proved that Diaoyu Islands ______ part of the territory(领土) of China since ancient times.
#99383
A
belong to
B
are belonged to
C
have been belonging to
D
have belonged to