—Mary, new copies of Harry Potter are on __________ now.
—Great! Let's go and buy one this afternoon.
| A．sale | B．holiday | C．condition | D．rise |
If he had spent more time practising speaking English before，he________ able to speak it much better now.
| A．will be | B．would be |
| C．has been | D．would have been |
If we________a table earlier，we couldn’t be standing here in a queue.
| A．have booked | B．booked |
| C．book | D．had booked |
The children________lost in the woods；otherwise，they would have been at the lakeside camp as scheduled.
| A．must have got | B．must get |
| C．should have got | D．should get |
When I was a child，I________watch TV whenever I wanted to.
| A．should | B．could |
| C．must | D．need |
It ________ be the vocabulary that caused you the problem in the exercise because you know a lot of words.
| A．may | B．couldn’t |
| C．should | D．needn’t |