—Were you at home at 7:00 last night? —Yes，I______at that time.
| A．do my homework |
| B．did my homework |
| C．was doing my homework |
| D．am doing my homework |
Here ________ a letter for you.
| A．is | B．are | C．has | D．have |
There are 30 __________ in the hospital.
| A．woman doctors | B．women doctors |
| C．woman doctor | D．women doctor |
Tom often ______ TV in the evening. He’s _____ TV now.
| A．watches; watching | B．watching; watches |
| C．watch; watching | D．watches; watches |
Mrs. Read is good ______ music. She can be good ______ children in the music club.
| A．at; at | B．with; with |
| C．at; with | D．with; at |
I can play ______ guitar, and I usually play it on ______ weekends.
| A．a; the | B．a; / | C．the; / | D．/; the |