It’s high time that we students ______ even harder at our lessons as the national entrance examination is coming nearer.

turned back only to find an old schoolmate whose name ______ me for the moment.

We saw _____farms which were built more than a hundred years ago.

John’s success has nothing to do with good luck. It is years of hard work_____has made him what heis today. [ ]

Could I ask you a rather personal question?—-_________