Theoretically, a good screwdriver should last a lifetime, but it rarely___________, usually because it is used at one time or another as ___________ some other tool.
| A．should, a favor for | B．should, a lack of |
| C．does, a way of | D．does, a substitute for |
Jack，it’s too hot here．______ I open the window？
| A．Shall | B．Will | C．Should | D．Would |
It was so noisy that we hear ourselves speak.
| A．couldn’t | B．shouldn’t |
| C．mustn’t | D．needn’t |
My iPhone isn’t in my bag．Where ____ I have put it?
| A．can | B．must | C．should | D．would |
You（）be careful with the camera. It costs!
| A． | must | B． | may | C． | can | D． | will |
The printer is of good quality. If it ________ break down within the first year, we would repair it at our expense.
| A．would | B．should | C．could | D．might |
Being constantly exposed to advertisements is annoying, but it ______ be pleasant sometimes.
| A．shall | B．need | C．can | D．must |
–You’re wearing your new sunglasses again! But you said you had lost it on the train!
–Unbelievable, right? Someone _____ it．
| A．will have stolen | B．might have stolen |
| C．should have stolen | D．must have stolen |
—The screen of your phone is big.
—I like big screens．I _______ type fast on it.
| A．must | B．should |
| C．can | D．might |
— I promise her daughter ____ get a nice present on her birthday．
— Will it be a big surprise to her?
| A．should | B．must | C．would | D．shall |
Smiles around the world _____ be false, _______ other feelings like anger, fear or worry.
| A．must; hide | B．shall; hiding |
| C．may; hide | D．can; hiding |
Without permission, no one ______ let out the news.
| A．shall | B．should |
| C．is supposed to | D．is allowed |
一Julia，you look upset．What's up？
—The computer_______break down at this busy hour．I have lots of typing to do．
| A．should | B．can | C．may | D．must |
—Congratulations！I hear you’ve won the first prize in the singing competition．—You _____ be mistaken．I’m in the dance class．
| A．must | B．may | C．should | D．could |
---It’s so cold outside. ________ I fetch you a coat, Grandma?
---Yes.Thanks a lot. You are always so considerate, dear.
| A．Can | B．Shall | C．May | D．Will |
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