The breakfast in the hotel was free, while the lunch________us 50 dollars.
A.spent B.cost C.took
—Susan hasn't________ . It's already half past eight.
—We have waited for her so long time. I want to go now.
A.shown up B.tried out C.dropped by
—How clean your car is!
—Thank you. It________ just now.
A.washes B.was washed C.washed
By the time he graduated from college, he________ five short novels on his childhood.
A.has written B.had written C.was writing
—I called you yesterday evening, but nobody answered. Where were you then?
—Oh, I ________ my pet dog in my yard. I ________ this dog for two months.
A.was walking; have had B.walked; have bought C.was walking; have bought
—Why don't you buy a car and then travel to Shanghai during the summer vacation?
—I'd like to, but I can't afford________both.
A.to pay for B.paying for C.pay for