____ is believed that Bell invented the first telephone in 1876.
I’m not sure my pen pal can come here tomorrow. A.whether B.when C.what
—Which one is ,the TV or the Internet ? —The Internet , I think . A. very useful B. more useful C. much useful
Jack has only one bike with his brother , so they the bike with each other . A. share B. stop C. prevent
—___________lovely day! Let’s go for a picnic, shall we? —Good idea! A. What B. How C. What a
—Must we finish the homework right now ? —_____________. You can go and play basketball. A.No , you don’t B. No , you needn’t C. Yes, you must.