When a giraffe has _____ drink, it has to stand with its front legs wide apart in order to reach _____ water easily.
| A．不填；不填 | B．a; the | C．the; 不填 | D．不填；the |
The style of Western art has changed many times ______ Chinese art has changed less often.
| A．while | B．before | C．since | D．however |
—Summer vacation is approaching. Have you decided how to spend it?
—Well, I consider ______ an English training centre to improve my spoken English.
| A．to attend | B．attending | C．to be attending | D．attend |
We have two spare rooms downstairs, ______ has been used for more than two months.
| A．neither of them | B．none of which | C．none of them | D．neither of which |
—John, why are you going to fly to South Africa next week?
—______ the FIFA World Cup 2010.
| A．Seeing | B．See | C．To see | D．To be seeing |
They are not ______ to give up the chance to take part in the international book fair.
| A．likely | B．possible | C．probable | D．maybe |