They________to Tibet many times．
| A．are |
| B．were |
| C．have been |
| D．had been |
When you read English books, please translate every word.
| A．do try to | B．try to not | C．not try to | D．try not to |
---you having supper at this time yesterday?
---No, I was.
| A．Are; having a rest | B．Were; read a book |
| C．Are; watching TV | D．Were; singing |
everyone in your family meat?
| A．Does; like | B．Does; likes | C．Do; likes | D．Do; like |
I my homework while my mother was reading a book last night.
| A．did | B．do | C．was doing | D．were doing |
---When did Betty Beijing?
| A．arrive | B．arrive in | C．got | D．got to |