| New technology _____ to make sure the cars, taxis, buses and trains we use _____ the air. |
A. is used; not to pollute B. has used; is not polluted C. is being used; do not pollute D. has been used; not pollute |
科目：高中英語 來源：0103 月考題 題型：單選題
科目：高中英語 來源： 題型：單選題
科目：高中英語 來源： 題型：
New technology ______ to make sure that the cars, taxis, buses and trains we use ______ the air.
A. is used; not to pollute B. has used; is not polluted
C. is being used; do not pollute D. has been used; to pollute
科目：高中英語 來源： 題型：
. New technology ______ to make sure that the cars, taxis, buses and trains we use ______ the air.
A. is used; not to pollute B. has used; is not polluted
C. is being used; do not pollute D. has been used; to pollute
科目：高中英語 來源： 題型：
New technology ____ to make sure that the cars, taxis, buses and trains we use ____ the air.
A. is used ; not to pollute B. has used ; is mot polluted
C. is being used ; do not pollute D. has been used ; to pollute
科目：高中英語 來源： 題型：
New technology ____ to make sure that the cars, taxis, buses and trains we use _____ the air.
A．is used; not pollute B．has used; is not polluted
C．is being used; do not pollute D．has been used; to pollute
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