study hard,___you re sure to have a good result in the exam.

你好,如下：
study hard,_B__you re sure to have a good result in the exam.
Abut Band Cfor Dor
the number of the teachers__C__every day in this school
Achanges Bchange Cis changed Dare changed
we elected Joyce to be the monitor(被动语态）
Joyce_was_ _elected__ _to___ __be___the monitor by bus.
Tony suggested (that we should choose a secretary.)括号提问
What did Tony suggest?
how much did you spend on these books?保持原句意思
How much did it cost you on these books?
plastic bags have caused serious environment pollution,___ ___?
Ahaven t they Bhave they Cdon t they Ddo they
A
Pansy was elected to
is an edior in
What did; decide
满意请速速采纳,谢谢合作!