The black bag _________ be Anna’s. She has a blue one.
| A．should | B．can’t |
| C．wouldn’t | D．could |
The teacher asked Ben ____________ a difficult question in class.
| A．answer | B．answering | C．to answer | D．answered |
The sick boy ____________ to hospital by the police yesterday.
| A．is taken | B．was taken | C．takes | D．took |
She ____________ as an animal trainer since 2003.
| A．has worked | B．works | C．will work | D．worked |
If I find his phone number，I ____________ you.
| A．tell | B．told | C．will tell | D．have told |
They ____________ her to the party，so she was very happy.
| A．invite | B．invited | C．will invite | D．are inviting |