--Who helped you clean the classroom yesterday? -- . I cleaned it all by myself. A. Somebody B. Nobody C. Everybody
It’s said that________of the water around the world________polluted.
She has never been to the city,________she?A.doesn’tB.hasn’tC.has
2013福建福州)—Is James at home?—No,he________Ya’an to be a volunteer.A.has gone toB.has been toC.is going to
—Is Jim in the office?—No,he________to the dining hall.
Mr.Wang isn’t here.I think he________Shanghai.A.wentB.has been toC.has gone to