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.

Some women （）(本來能夠掙一份很好的工資) in a job instead of staying home, but they decided not to work for the sale of the family.

The room is in a terrible mess; it （）（肯定沒打掃過）.

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

When I was very young, I was terribly frightened of school, but I soon（）(克服了這種心理).

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

There was a knock at the door. It was the second time someone （）(打擾我) that evening.

The price of beer（）(從50美分到4美元不等) per liter during the summer season.

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

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