Yuri Gagarin from the former Soviet Union became the first human being to travel in space.
| A．\ |
| B．a |
| C．the |
| D．an |
A British education official has urged primary schools in his country to return to _______ traditional "whole class teaching" method in order to reproduce its success in China, _______ Daily Mail reported on Sunday.
| A．a; the | B．a;a |
| C．the; the | D．the; a |
________ in the pervasive sunshine in the Southern Hemisphere of November, the Australian continent is brimming with vigour and vitality.
| A．Bathing | B．Bathed |
| C．To bathe | D．Having been bathed |
I look forward to my fifth trip to this land _______ I will pay a state visit to Australia and attend the ninth G20 summit, in Brisbane.
| A．during which | B．on which |
| C．at which | D．which |
Your ideas are very interesting, but we need ______ suggestions to get us out of the trouble.
| A．impressive | B．brilliant |
| C．practical | D．permanent |
It has been said that “happiness is like a butterfly, which, when________ , is always beyond our grasp, but which, if you will sit down quietly, may alight upon you.” (pursue)
| A．pursuing | B．pursued |
| C．to pursue | D．having pursued |