—________ I swim here?
—I’m sorry. Children _______ swim alone here.
| A．Must , can’t | B．May , must | C．Can, mustn’t | D．Can’t can |
---What color is that pen?
--- It’s ________ green. It’s ________ green pen.
| A．a; a | B．the; a | C．/; / | D．/; a |
I’m really /'bizi/ this weekend, I don’t have much time.
| A．baby | B．but | C．busy | D．bill |
Come to our great ________/seil/ please.
| A．sell | B．sells | C．sail | D．sale |
Do you play basketball ________ /'ɑ:ft
/ school .
| A．afternoon | B．often | C．After | D．after |
What do you usually do on _______/'tju:zdi/.
| A．tuesday | B．Tuesday |
| C．Thursday | D．Saturday |