According to Li Shangfu, ______ director of the Xichang Satellite Launch Center, ______ launch of China’s first lunar probe Chang’e-1 was ______ success.
| A． a; /; the | B． the; the; / | C． /; the; a | D． /; a; a |
_____the window,my finger was cut unexpectedly.
| A．Cleaning | B．While cleaning | C．While I was cleaning | D．To clean |
They would not allow him____across the enemy line.
| A．to risk going | B．risking to go | C．going to risk | D．risk going |
More than one hundred teachers work in our school, and most of _____are from countryside.
| A．whom | B．them | C．whoever | D．Whomever |
Please give the ticket to ___ you think is the most suitable in my office.
A. whoB. whomC. whoeverD whomever
With your brother’ s help, I’ve made great progress in English and I really want to do something for him _____.
| A．in turn | B．by turns | C．in return | D．in answer |