Our teacher often advises us the habit of making notes while reading．（ ）
A．to developB．develop
C．to developingD．developing
相关试题
If we _____ take environmental problems seriously，the earth _______ worse and worse．（ ）
A．don't； won't beB．won't； isn't
C．won't； isD．don't； will be
B．
D．
﹣I left my pen at home．Can you lend me one？（ ）
A．Yes，of courseB．Thank you
C．Yes，just a littleD．Hold on，please
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