18、The millions of calculations involved, had they been done by hand, _____ all practical value bythe time they were finished．

A．could lose                                    B．would have lost

C．might lose                                    D．ought to have lost

17、— When did you first meet Tom?

— On May 2, ____, the first day I came to this city．

A．or rather      B．at least        C．on the whole         D．in a word

16、—Did you go to the show last night?

—Sorry．No boy and girl in the area         invited

A．were          B．have been           C．has been          D．was

15、Because he works in a remote area, he visits his parents only ______．

A．occasionally          B．partly        C．practically        D．once

14、Elizabeth has already been admitted to Beijing University         her wildest dreams．

A．at        B．beyond        C．within       D．upon

13、No bread eaten by man is so sweet as _____ earned by his own labor．

A．one              B．that                        C．such                   D．what

12、Johanna waited at the bus stop for nearly an hour ___ the bus finally arrived．

A．when          B．unless            C．before           D．after

11、It isn't cold enough for there _____ a frost tonight, so I can leave Lim's bike out safely．

A．would be            B．being                 C．was                 D．to be

10、The hotel in Nanchong wasn’t particularly good．But I ____ in many worse hotels．

A．was staying          B．stayed       C．would stay        D．had stayed

9、Little Tommy felt the bag, curious to know what it ____．

A．collected            B．contained            C．loaded         D．included