This is _______ difficult problem that few students can work it out.
A. so B. so a C. such D. such a
It’s nice _______ Andy _______ me with my English study.
A. at; to help B. of; to help C. with; help D. of; help
We will fly a kite as soon as your homework _______.
A. finishes B. will be finished C. has finished D. is finished
They would rather _______ colours like orange or yellow than blue or white.
A. use B. to use C. using D. uses
You can’t sneeze and keep your eyes _______ at the same time.
A. open B. opens C. opened D. opening
This piece of music _______ beautiful.
A. looks B. sounds C. tastes D. smells
