107. Our company has been very____ to react to foreign competition. Most of our products are out of fashion.
Tom as well as his friends ____ to visit our school soon after they arrive in Changsha.
By the time you ____ in, I ____ two letters.
To ____ your dream of becoming a scientist, you must work hard from now on.
I ____ go to bed ____ the telephone rang.
You may ask the teacher for help ____ difficulty.