When was your cousin born?—____ May 16, 1992.[ ]

What do you think about Chinese Post-90s generation ?–They are ­­­­­­­­­­­­_________ from those born before them. They are very aggressive and pretty confident because they never felt hardship.

Could you please come to the museum with me this afternoon?—Sorry, I ______ . I have to take a piano lesson at 2 pm.

Not until I came home last night _____to bed.

There are about ____________ students in our school.