On the 40th Earth Day, Dr Wang gave us a talk on the importance of ______ the earth.
#62713
A
practicing
B
preventing
C
polluting
D
protecting
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---- What’s wrong with him? ---- He doesn’t feel very well. The doctor _______ just now.
#52784
A
looked him over
B
looked him up
C
looked after him
D
looked for him
