I haven’t seen you _____ you left for Shanghai last year.
A. until B. because C. after D. since
Our English teacher is ill, so Mr. Smith will take her class _____.
A. instead B. instead of
C. except D. at the end
The boy was made _____ the new words twenty times.
A. wrote B. writing
C. to write D. written
Bad habits will get _____ the way of your life.
A. on B. by C. at D. in
You must concentrate _____ your study not on your clothes.
A. on B. with C. in D. to
There are so many beautiful clothes in the store. I really don’t know _____.
A. what to choose B. how to choose
C. when to choose D. which to choose
