---What were you doing when Tom came to see you?
---I had just put on my overcoat and_____ to visit my friends.
| A．left | B．was left | C．was leaving | D．had left |
I have no idea ______ the journalist could have got his information from.
| A．that | B．why | C．why | D．where |
The banker was found in a remote village after ______ his office last Thursday.
| A．leave | B．being left | C．leaving | D．having been left |
I’m sure you will do better in the test because you ______ so hard this year．
| A．studied | B．had studied |
| C．will study | D．have been studying |
You’d be exposed to a lot ______ pollution if you moved to a town with pure water and air.
| A．more | B．most | C．less | D．least |
Some young people these days just ______ go out of their homes to contact the real world．
| A．mustn’t | B．won’t | C．mightn’t | D．shouldn’t |