Tom rushed into the house______ his mother was cooking.
| A．as | B．before | C．while | D．after |
He gave his life to ________ Chinese soldiers.
| A．help | B．helping | C．for helping | D．helps |
Mao Zedong is remembered ________ his greatness.
| A．in | B．as | C．for | D．with |
One of the best teachers in our class________ born in Shanghai.
| A．is | B．are | C．was | D．were |
Yang Liwei is the first man ________ the moon.
| A．to step | B．step | C．stepping | D．steps |
What about ________ a dinner together?
| A．having | B．to have | C．have | D．haves |