We five English songs by the end of last term.
A、had learned
B、learned
C、have learned
D、will have learned
E、learns
F、learning
A、had learned
B、learned
C、have learned
D、will have learned
E、learns
F、learning
A、has had
B、hasn’t have
C、have had
D、hadn’t had
E、has done
F、have done
A、came; has sent
B、came; had sent
C、comes; has sent
D、had come; sends
E、coming; has sent
F、comes; have sent
A、had enjoyed
B、was enjoying
C、have enjoyed
D、have been enjoying
E、enjoys
F、enjoyed
A、Man’s activities have no effect on the climate.
B、Another ice age will come soon.
C、People don’t care about the changing climate.
D、Scientists are not yet sure about the reason for the changing climate.
E、Scientists are quite sure about the reason for the changing climate.
F、People care nothing.
A、Droughts and Floods
B、Meteorologists
C、Changing Climate
D、Solar Heat
E、The rain
F、The wind
A、Clouds;The amount of heat the earth receives;Man’s industrial and agricultural methods
B、Clouds
C、The amount of heat the earth receives
D、Man’s industrial and agricultural methods
E、The wind
F、The snow
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