问题

Some children can’t afford ______ necessary stationery.— Let’s donate some pocket money to them.
A:buy
B:to buying
C:to be bought
D:to buy;
B:to buying
C:to be bought
D:to buy;
正确答案是:
同类题型
_______ in thought, he almost ran into the car in front of him[ ]
He _______after a few day’s treatment in hospital.
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ed to the beggar-looking man ________ next tome, only that he was my ex-husband.