--What were you doing at 9 o’clock last Sunday morning?
--I ________.
| A．did my homework | B．am doing my homework |
| C．do my homework | D．was doing my homework |
I sometimes play basketball _____ my father.
A. to B. about C. with
It takes us twenty minutes _____ the book.
A. read B. reading C.to read
The journey takes _____ .
A.half an hour B.an hour half C.a half hour
I like _____.
A. it very much B. very much it C.very it much
They teach _____ English.
A. we B. our C.us