—Hi, Johnson, any idea where Susan is?
—It’s class time, so she _____ in the classroom now.
| A．can be | B．must have been |
| C．might have been | D．should be |
David will succeed along the career ladder one day, I firmly believe, _______ he devote more energy to it.
| A．might | B．would | C．could | D．should |
Just be patient．You _____ expect the world to change so soon．
| A．can’t | B．may not |
| C．needn’t | D．didn’t |
As a Chinese saying goes, a mountain ______ be too high or an ocean too deep. Therefore, there is no end to our self-improvement.
| A．shall never | B．will ever | C．can never | D．must ever |
—Lisa, what do you think of the job of being a nurse?
—In my opinion, it ____ be difficult sometimes though it seems easy.
| A．should | B．can | C．must | D．need |
Hackers threatened _______ Sony release the film ‘The Interview’（also entitled ‘Killing Kim jong un’）on the coming 2014 Christmas，they ______ launch terror attacksresembling 11th Sept in 2001，
| A．should；will be | B．were to；could |
| C．were；should have | D．should；would |
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 |
Listen, Mary ______ have done it．She’s been with me at the shop all day．
| A．wouldn’t | B．shouldn’t |
| C．needn’t | D．couldn’t |
You ______ scold such a pupil who always keeps silent so seriously that you ______ hurt him.
| A．should; can | B．may; will |
| C．mustn’t; may | D．can’t; must |
—It’s so near to the station. We could have walked.
—Yes, we ______ a taxi.
| A．didn’t need to take | B．needn’t have taken |
| C．needn’t take | D．mustn’t take |
—The screen of your phone is big.
—I like big screens．I _______ type fast on it.
| A．must | B．should |
| C．can | D．might |
It is generally cold and dry here in autumn, but sometimes, it ________ also be warm and rainy.
| A．may | B．should | C．must | D．can |
— 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 |
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