(2013·高考天津卷)The water supply has been cut off temporarily because the workers ________ one of the main pipes.
#99708
A
had repaired
B
have repaired
C
repaired
D
are repairing
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Large quantities of water , as well as some other timely help including a medical team, _____ since the serious drought hit Yunnan Province.
#100131
A
has offered
B
had been offered
C
have been offered
D
is offered
The scientists predict that if present trends____, women in 400 years will be 2cm shorter and have healthier hearts．
#104626
A
will continue
B
continue
C
are continued
D
will be continued
—What were you doing when she dropped in? —I for a while and_________ some reading.
#104243
A
was playing; was going to do
B
played; did
C
had played; was going to do
D
had played; did
I know Mr. Shuili; we ______ to each other at an English lecture.
#102636
A
are introduced
B
are been introduced
C
were introduced
D
had been introduced
Everyone here，including kids，________ their attention on the matter.
#103610
A
focus
B
focuses
C
to focus
D
focusing