No sooner ________in the distance ______a storm began to pour.
A. a thunder broke; when B. a thunder had broken; than
C. had a thunder broken; than D. did a thunder break; than
The CDs are on sale！Buy one and you get ______ completely free.
A. other B. others C. one D. ones
It’s no use____ that you didn’t know the rules.
A. you pretend B. you to pretend C. of you to pretend D. your pretending
At a rough estimate（估计）, Nigeria is ____ Great Britain.
A. three times the size as B. the size three times of
C. three times the size of D. three times as the size of
In face of _______ failure, it is the most important to keep up ________ good state of mind.
A. 不填; a B. a; 不填 C. the; 不填 D. 不填; the
Most of the factories under___________ have been designed by Chinese engineers.
A. control B. construction C. contribution D. conclusion
