While watching television,______.
#80789
A
the doorbell rang
B
the doorbell rings
C
we heard the doorbell rings
D
we heard the doorbell ring
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_____we promise continuous increase in rural incomes _____improve the whole people's well-being．
#81409
A
Only if; we can
B
If only; can we
C
Only if; can we
D
Unless; we can
The joy of life is a deep spring. Only when digging deep ______ clear and sweet water.
#82158
A
you can draw
B
did you draw
C
can you draw
D
you draw
―____ go out for a picnic with us this afternoon?―I’d like to, but I’ll be busy preparing for the test.
#82993
A
Do you feel like
B
Would you like
C
Why not
D
What about
Scarcely ________ ourselves in the theatre when the curtain ______ up.
#81258
A
had we seated; went
B
we had seated; went
C
seated; had gone
D
did we seated; had gone
Only when our country has aircraft carriers (航空母舰), _____________ our distant islands more effectively.
#82261
A
we can guard
B
can we guard
C
we guard
D
do we guard