1) Now that you ve bought a new car, what are you going to do with the old one?

　　2) We d better take the telescope with us in case it is needed.

　　3) We must hurry off, lest we should miss the bus.

　　4) The problem so very complicated that it took us nearly two weeks to solve it.

　　5) The aircraft was flying at such a high altitude that we could hardly see it.

　　6) I ll lend you my computer on condition that you keep it in good shape.

　　7) You can go out as long as you promise to be back before 11 at night.

　　8) I remember the whole thing as if it happened yesterday.

　　9) However hard he tried, he could not do the job satisfactorily.

　　10) Whether it takes an hour or even a whole day, I shall find out the answer.