At last, she found her _______ pet dog.
| A．lost | B．lose | C．losing | D．loses |
—What's Mary doing?—_______．
| A．She is doing her homework |
| B．She often does her homework |
| C．She exercises |
| D．She sometimes cleans |
My friend pal and I often talk _______．
| A．on phone | B．by the phone | C．on the phone | D．with the phone |
—Is your brother _______ TV?—No，he's _______ a book.
| A．watching，looking | B．watching，reading |
| C．looking，watching | D．watching，read |
Listen，the girls ____ an English song.
| A．sings | B．sing | C．are sing | D．are singing |
Students in our school _______ know shouting in the library is not allowed.
| A．need | B．must | C．may | D．can |