My father is ________(＝scanning)China Daily．

These countries have ________(饱经战火)．

根据句子的意思，用suppose的适当形式填空。

________ we go for a swim!

根据句子的意思，用suppose的适当形式填空。

________ he is late, who will do the work?

We ________(应该)finish the work by supper．

I shall suppose him ________(大约五十岁了)．

have an effect on＝vt．__________　　　　　in effect正在实行；实际上

come/go into effect开始实施；开始生效　　　be of no effect无效

bring/put sth．in to effect使某物开始使用

The new seat-belt regulations ________(生效)last week．

The new system will soon be ________(启用)．

He ________(扮演…角色)the old king in our school play．