—Have you seen my brother?—Yes. I _____ him in the library five minutes ago.
The students can’t __________ TV. A. watch always B. always watches C. always watch
----What do you do after class? -----Sometimes, I talk __________ my friends. A. in B. of C. to
Would you like _________ to music? A. listen B. to listen C. listening
Seven _________ workers work in that factory. A. thousands of B. thousands C. thousand
There are many _________ on the table. A. potato B. water C. potatoes