Years ago we didn't know this, but recent science study ________that people who don't sleep well soon get ill.
#100471
A
showed
B
will show
C
has shown
D
is showing
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The Internet celebrated its birthday on September 2nd, by which time 40 years _______ since the first successful transfer of data between two computers.
#103284
A
has passed
B
had passed
C
passed
D
have passed
A special dinner there might include Chinese pork dish, British roast beef and French-style vegetables. Boiled rice ____ just about everything.
#104300
A
is served with
B
will serve
C
serves with
D
is served
They could have attended the awarding ceremony，but their flight due to the bad weather．
#99062
A
was delayed
B
had been delayed
C
has delayed
D
was delaying
Though Jack _______ many times, he still plays computer games after school.
#102234
A
was warned
B
has been warned
C
has been warning
D
had warned
If you ________ to their home, remember to bring a small gift.
#99215
A
invite
B
were invited
C
have been invited
D
had been invited