Jack often _____ music after class.
The USA is a big country _______at any time.
—The Hang-chang high-speed railway(高铁) ____ in 2015. —Really? That’s news to me.
—May I smoke here,please? —I am afraid you .This is a non-smoking area.
. The moonlight goes _____ the window and makes the room bright.
Neither of the shoes are right. They are _______too big _____too small