Our school_____ the 50th anniversary of the founding of CCFLS on October 5th, 2013.
A. detected B. activated C. spotted D. celebrated
When the telephone rang, I happened_____ a book.
A. to be reading B. to read C. read D. to have read
The boy wanted to ride his bicycle in the street, but his mother told him_____.
A. not to do B. not to C. not did it D. don’t do it
Please put on the coat, _____ you’ll catch a cold.
A. so B. otherwise C. but D. because
Try to_____ at least an hour each day for learning English and you’ll make progress.
A. set about B. set against
C. set aside D. set apart
This company sells cars in different price_____.
A. limits B. ranges C. forms D. varieties
