Coming into the room, I found them _______ at the table, ________ chess.
| A．seated; played | B．seated; playing |
| C．seating; playing | D．seating; played |
The traffic problem we are looking forward to seeing _____ should have attracted the local government’s attention.
| A．solving | B．solve |
| C．to solve | D．solved |
— He hasn’t finished the work yet.
— Well, he _____.
| A．ought | B．ought to |
| C．ought to have | D．ought to have finished |
He had promised me to come to the party, and _____.
| A．so did he | B．so he did |
| C．so he would | D．so would he |
The country life he was used to _____ greatly since the opening policy.
| A．change | B．has changed |
| C．changing | D．having changed |
He went there, _____ some books and call on an old friend of his.
| A．bought | B．buying | C．buy | D．to buy |