—Can we go camping tomorrow,as planned?—I'm afraid not.The dark clouds ________a heavy rain.
#13737
A
promise
B
instruct
C
expect
D
forecast
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The population of this city ,forty percent of which_____, ______ 15% in the last three years
#12947
A
are Germans, has risen by
B
are Germen, has fallen by
C
is Germans, have been increased by
D
is Germen, have been reduced by
  ----Why don’t you ______ to a more sensible method? ----Well, I’m thinking about it.
#13037
A
switch on
B
switch off
C
switch over
D
switch through