It has been announced that passengers ____ remain in their seats until the dangerous subjects have been removed.
| A．can | B．will | C．may | D．shall |
The heart is a（n）organ, It is of absolute importance to our body and life．
| A．vital | B．energetic | C．living | D．lively |
—Hello! This is CGV box office．
—Hello! I'd like to book two tickets for tonight's 3D movie．
—．
| A．Of course, please | B．At your service |
| C．My pleasure | D．A moment, please |
—Wright, I really appreciate your neat handwriting．
—．
| A．Oh, I practice every day | B．Well, it's not good enough |
| C．No, I don't write well | D．Oh, thank you very much |
The couple is consideringa 3D TV set for their new flat, which is widely considered to be in fashion．
| A．to buy | B．buy | C．buying | D．to be bought |
—You look tired, Jack． What's wrong with you?
—Oh, 1 worked quite late last night． Nothing wrong with me,．
| A．although | B．though | C．yet | D．still |