There’s a ______in our office that when it’s somebody’s birthday，they bring in a cake for us all to share．
| A．tradition | B．balance | C．concern | D．relationship |
－If we take a plane, we’ll of course have arrived in London by the next weekend.
－Don’t be too sure. We should _____ the weather factor. What shall we do if it is foggy?
| A．look for | B．allow for | C．prepare for | D．use for |
_________ difficult the task may be, we must finish it on time, because we can’t meet such a precious opportunity _______ we have expected.
| A．Whatever; that | B．However; as | C．However; that | D．Whatever；which |
---What made it difficult for him to find a job?
---_______, I think.
| A．He is black | B．As he is black | C．Bing black | D．For he is black |
._____ the article four times, I finally understood the author's theory．
| A．Reading | B．Having read | C．To read | D．Read |
. Only_______of the houses in the town________ not destroyed in Wenchuan big earthquake.
| A．one fifth; was | B．one fifths; were |
| C．one fifths; was | D．one fifth; were |