—He failed in the exam again.
—He __________his teacher’s advice.
| A．should not have followed |
| B．should not follow |
| C．mustn’t follow |
| D．should have followed |
Listen! Do you hear someonefor help?
| A．calling | B．call | C．to call | D．called |
She can’t help ______ the house because she’s busy making a cake.
| A．to clean | B．cleaning | C．cleaned | D．being cleaned |
When and where to build the new factory ____yet.
| A．is not decided | B．are not decided | C．has not decided | D．have not decided |
Tom as well as two of his classmates _____invited to the party.
| A．was | B．were | C．have been | D．had been |
The old ____well looked after by the government in China.
| A．is | B．are | C．has been | D．was |