There is ______ “u” and ______ “s” in the word “bus”.
| A．a; a | B．a; an | C．an; a | D．an; an |
Pop music often comes and goes ________.
A. slowly B. quickly C. loudly
―Would you mind ______ me how to swim?
―Not at all.
A. teach B. to teach C. teaching
I’m going to play_______ football this afternoon.
A. a B. / C. the
I’ll takethe shoes.
| A．pairs of | B．pair of |
| C．a pair | D．a pair of |
---What do you like, tea milk?
---Tea, please.
| A．and | B．but |
| C．or | D．with |