________ he is into the video game, it’s hard for him to think of anything else — all his attention is on winning the game.
| A．Unless | B．Whether | C．Once | D．Where |
Your _____ as a student will be excellent if you develop a habit of reflecting on how you learn.
| A．operation | B．growth | C．performance | D．character |
_____ all the animals I’ve ever had, these two dogs are the most sensitive to the spoken word.
| A．From | B．Of | C．For | D．With |
Studying Wendy’s menu, I found that many of the items are similar to ______ of McDonald’s.
| A．those | B．ones | C．any | D．all |
I made a promise to myself _____ this year, my first year in high school, would be different.
| A．whether | B．what | C．that | D．how |
No matter how bright a talker you are, there are times when it’s better _____ silent.
| A．remain | B．be remaining | C．having remained | D．to remain |