1. Do you think children should learn to play musical instrument from early age?
A. a; \ B. the; \ C. the; an D. a; an
2. summer goes and winter comes, time flows like water. We are grown-up now.
A. While B. When C. As D. Until
3. He says was his uncle who helped him start his own company after graduation.
A. that B. it C. who D. one
