—Could I borrow your dictionary?
—Yes, of course you ________.
| A．might | B．will |
| C．can | D．should |
The rescue worker looks very young but _______ she is more than thirty years old.
| A．finally | B．actually |
| C．frequently | D．extremely |
While _______ out of the window, I saw my father walking the dog in the garden.
| A．look | B．looking |
| C．looked | D．having looked |
Our monitor always comes to our help when we get into trouble _______ she is very busy.
| A．since | B．once |
| C．even if | D．if |
Can you tell me when the plane _______ to Hong Kong this evening?
| A．would fly | B．has flown |
| C．is flying | D．had flown |
As neither of the two nations would _______, no agreement was reached that day.
| A．give up | B．give away |
| C．give back | D．give in |