—What do you think of the lesson?—This is _____ interesting lesson and it is also _____ useful one.A. an; an B. an; a C. an; the
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
She asks________we will go shopping on Saturday or not.
—I’m going to Tibet for vacation.—________.