15：The glass vessels should be handled most carefully since they are ____. A：intricate B：fragile C：subtle D：crisp ...

9：Never judge a book ___its cover. A：by B：in C：on D：with ...

3：A student is allowed to leave the room _____ a teacher has given permission. A： in case B：only if C：even if D： as soon as ...

22：_____ succeed in doing anything. A：Only by working hard we can B： By only working hard we can　 C： Only we can by working hard D： Only by working hard can we ...

16：He blew out the candle and ____his way to the door. A：converged B：groped C：strove D：wrenched ...

10：____________ the English examination I would have gone to the concert last Sunday A：In spite of B： But for C：Because of D：As for ...

4：There is a beautiful house ____ the trees. A：in B：among C：between D：within ...

23：He raised his eyebrows and stuck his head forward and____it in a single nod, a gesture boys used then for O.K. when they were pleased. A：shrugged B：tugged C：jerked D：twisted ...

17：We are____of living in the age of Mao Tse-tong . A：proud B：arrogant C：haughty D：conceited ...

11：The babour is sheltered by hills____the north wind. A：of B：under C：for D：from ...