1 big enough for
2 You are expected to pay the bill not later thanFriday.
3 provide..for
Mr Brown provided food for us.
= Mr Brown provided us with food.布朗先生为我们提供食物.
4 spent...in playing表示"花费(时间、金钱等)做某事",则常用句型spend some money / some time (in) doing sth.,此时第二个动词要用动词-ing形式,介词in可以省略.
若表示"在.上花费(时间、金钱等)",常用句型spend some money/ some time on sth.,介词on后接名词或代词.
5 were bought for
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