1. I don’t understand how you got a ticket. I always ________ you ________ a careful driver.
A. think; are B. am thinking; are
C. thought; were D. think; were
2. I really ought to go on a diet。I ________ on so much weight since I gave up jogging.
A. put B. am putting
C. have put D. had put
3. We ________ to go skiing tomorrow，but there’s no snow，so we’ll just stay home instead。
A. are going B. were going
C. will go D. would go
