Sam and Henry play football very well. We hope _______ of them can join our team.
| A．all | B．both | C．every | D．same |
There ______ lots of sheep and pigs on my uncle’s farm now.
| A．was | B．were | C．is | D．are |
______ wake up your sister, Ben. She needs a good sleep.
| A．Don’t | B．Doesn’t | C．Aren’t | D．Can’t |
Practice more, ________ you’ll do better in playing chess.
| A．but | B．and | C．when | D．after |
Children _______ sit in the front seat of a car. It’s too dangerous.
| A．need | B．needn’t | C．must | D．mustn’t |