On account of fuel supplies being finite and many people being wasteful, we will have to install ________ solar heating device in our home.
A. some type of a B. some types of a C. some type of D. some types of
Well, it’s up to you, Aunt Ellen, _____ you stay or go.
A. whether B. what C. that D. if
We’ll have to race _____ the clock to complete the work on time.
A. beyond B. over C. from D. against
______ I went to Mount Hua, I was deeply impressed with its beautiful scenery.
A. For the first time B. The first time C. At first D. It was the first time
How much do I owe you for lunch? ----- ______ . It’s nothing.
A. You’re welcome B. Forget it C. With pleasure D. That’s right
Sarah hopes to become a friend of ________shares her interests.
A. anyone B. whomever C. whoever D. no matter who