-- _____is that used for?---_____ the floor.
We first met on a train in 2010,but we both felt immediately that we ________ each other for years.
—I'm sure Andrew will win the first prize in the final.—I think so.He ________ for it for months.
I like these English songs and they ________ many times on the radio.
—Did you watch the basketball match yesterday?—Yes,I did.You know,my brother ________ in the match.
—I'd like a pen which ________ well.—Will this one ________?