Li Mei_________ fat in this photo. But she _________ thin now. (　　)

A．is; is

B．was; is

C．is；was

用合适的形式填空。
1. The children _____________ (sleep) when the fire alarm _________ (ring) last night.
2. I _____________(read) a storybook when my mum _______ (come) into my room.
3. On Monday at 6:00 pm, Mary and I _____________ (have) dinner in a restaurant.
4. I _____________ (watch) TV with my family when you ________ (call) me.  
5. Bob _____________ (do) martial arts in the gym when he _____ (hear) the exciting news.
6. We _____________ ( cheer ) at the park when the bells _____________ ( ring ) .

–What were you doing at ten last night? (   )
–I .

A．am sleeping

B．was sleeping

C．were sleeping

I    1000 English words by the end of last term. (   )

A．have learned

B．had learned

C．would learn

D．was learning