_____ important for us _____wild animals and birds.
A. It; protect B. It; protecting
C. It’s; to protect D. They’re; protect
I find _____ not easy to answer this question in English.
A. that B. it C. them D. this
He made a fire _______ himself _______ warm.
A. make; to keep B. to make; to keep
C. to make; keep D. make; keep
_______ great fun they are having in the sitting room !
A. What B. How C. What a D. How a
I often see him _______ uniforms.
A. wears B. wearing C. wear D. to wear
—Is the Maths problem ______? —Yes. I can work it out ______.
A. easy; easily B. easy; easy
C. easily; easy D. easily; easily