—Could you tell me where you found Miss Gao just now?
—Certainly. In the principal's office. They ________ happily at that lime.
A. are talking B. have talked C. were talking
—Shakespeare( 莎士比亚 ）is a great writer ______ is considered as a genius ( 天才 ）•
—I think so. Many people around the world admire him very much.
A. when B. who C.which
—I want to travel to the Black Bear Island next weekend.
—Good idea! Make a plan first， _____ you will enjoy more beautiful scenery.
A. but R. and C. however
—I am going to Australia next week.
—The radio says there is going to be ________ in Australia. Don't forget to take your warm clothes.
A. snow B. snowy C. knowing
—Hi .Jack! Could you come to our English party?
—Sorry， I _ . I have to look after my little sister at home.
A. must B. could C. can't
Xi Jinping， our _______ president， paid a visit to Harbin last month， How encouraging!
A. 63 years old B. 63 years' old C. 63-year-old
