单项选择
When he was ___ university student ,he dreamed of becoming ____ NBA player.
A. an; a B. a; an C. an; an D. the; an
Your plan is not so good, so you must _______more time and energy to it.
A. want B. spend C. devote D. take
When Daniel is in a bad mood, he likes wearing orange to ____.
A. wake himself up B. give himself up
C. cheer himself up D. pick himself up
My grandma didn’t go to sleep _____ I got back home.
A. where B. until C. as soon as D. while
Nowadays we can learn a great deal of _____ about the world through the Internet.
A. information B. books C. people D. countries