—Must I turn off the gas after cooking?
—Of course.You can never be ________careful with that.
| A．enough | B．too | C．so | D．very |
— The room is so dirty. _____ we clean it ?
— Of course.
| A．Will | B．Shall | C．Would | D．Do |
Naturally, after I told her what to do, my daughter _____ go and do the opposite !
| A．may | B．can | C．must | D．should |
How I wish every family ______ a large house with a beautiful garden !
| A．has | B．had | C．will have | D．had had |
Oh, I’m not feeling well in the stomach. I ______ so much fried chicken just now.
| A．shouldn’t eat | B．mustn’t have eaten | C．shouldn’t have eaten | D．mustn’t eat |
— I heard they went skating in the mountains last winter.
— It _____ true because there was little snow there.
| A．may not be | B．won’t be | C．couldn’t | D．mustn’t be |