She had a tense expression on her face, ______she were expecting trouble

Did you listen to the lecture?—Yes, I have never heard a ___________ one.

This is the only way we can imagine ________ the overuse of water in students’ bathrooms.[ ]

We will go to the Erqi Square this afternoon, why not take a taxi—We ________ take a taxi, it’s only one kilometer or more. We can walk there.

Liu Yi, do you miss your parents? I hear that you go back home once every month—Of courseYou know this is the first time I_____ in the dormitory at school, far away from my hometown, Luoyang