27、Tom appreciated    the good chance to study in Oxford since he graduated from No．4 High School in Shenyang．

A．having been given                                       B．having given

C．having been giving                                 D．to have given

26、Living alone in the central desert in Australia has its problems,     obtaining water is not the least．

A．of which              B．for what              C．as              D．whose

25、So involved with computer games    that teachers at summer computer camps often have to force them to break for sports and music．

A．became the children                                    B．become the children

C．had the children become                              D．do the children become

24、    the fact that his first experiments had failed, Prof．Smith persisted in his research．

A．Although             B．Regardless           C．In spite of         D．In views of

23、Mr. Oven has three children, one of whom is a child of six, ___ twins of twelve．

A．another          B．other            C．the others           D．others

22、—Miss Lingam is arm in arm with Mr. Peabody!

—______sight！

。

A．How astonishing a                                       B．So an astonishing

C．What astonishing a                                      D．Such an astonishing

21、Everyone likes    of the two stories, for this story is     than that one．

A．both; not more interesting                            B．neither; no more interesting

C．neither; not more interesting                     D．either; no more interesting

20、Students shouldn’t be given so difficult a problem ___ they cannot work out．

A．that         B．which          C．while          D．As

19、_____ what he can do．He might get a job tomorrow．He might stay out of work for weeks．

A．We didn’t know                                          B．He doesn’t know

C．There is no knowing                                          D．It was known that