6. Open the brackets put the nouns in the plural or in the singular forms: I met some interesting _________ at the meeting. (man)
I need some ________ the light the fire. (match)
The baby got two new _______ . (tooth)
The farmer loaded his cart with _______ (box) of fresh vegetables to take to market. His cart was pulled by two _______ (ox)
Alex saw some _______ running across the floor. (mouse)
The north side of the island has no ____. There are only ________ steep. No one can climb these steep walls of rock. (beach, cliff).
If a houseplant is given too much water, its lower ________ turn yellow. (leaf)
New scientific _ are made every day in __ throughout the world, (discovery, laboratory)
I caught several ________ in the lake (fish)
On our trip in the mountainous countryside, we saw some ________ , _________ , and wild _______ (wolf, fox, deer, sheep)
When we spoke in the cave, we could hear _________ of our voices. (echo)
The music building at the university has 27 __________ .
Students need to sign up for practice times. (piano)
Thunder and lightning are ________ of nature. (phenomenon)
People get most of their news about the word through the mass _________ , that is, through radio, television, the Internet, newspapers, and magazines. (medium)
