An A4 sized panel ( 太阳能板 ) put onto the back of a jacket costs __________ US$15. It could __________ a cellphone during a summer walk.
A、atmost;workD
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Our teacher __________ us to practise our spoken English as often as possible.
We ________in the neighborhood.
Johnsaidhewouldpay__________secondvisittoChina__________nextmonth.
His backache is only _________ for not watering the flowers.
He came into the classroom_________.
