It’s time（）(采取措施) about the traffic problem downtown.

There’s a man at the reception desk who seems very angry and I think he means（）(想找麻煩).

Although punctual himself, the professor was quite used（）(習(xí)慣了學(xué)生遲到) his lecture.

（）(正是由于她太沒有經(jīng)驗) that she does not know how to deal with the situation.

When I （）(發(fā)現(xiàn)他騙我) I stopped buying thins there and started dealing with another shop.

We’d like （）(預(yù)訂一張餐桌) five for dinner this evening.

Mark often（）(試圖逃脫罰款) whenever he breaks traffic regulations.

（）(信不信由你), his discovery has created a stir in scientific circles.

It may be necessary to stop（）(每隔一定時間) in the learning process and go back to the difficult points in the lessons.

Buying clothes（）(是一件很耗時的工作), because those clothes that a person likes are rarely the ones that fit him or her.