He is a ______ boy.
A．ten-years-old B．ten-year-old C．ten years old D．ten year old
The hamburger tastes ______ and I like it.
A．well B．good C．health D．quickly
Let’s go and play ______ ping-pong. I don’t want to play ______ violin.
A．a, the B．the, a C．/, the D．the, /
The underlined word(划线单词) in the phrase(短语)”the animal” is pronounced ______.
A．/ð?/ B．/ði:/ C．/θi/ D．/θ?/
-- The math problem _________ is not difficult.
--- But after several tries , I have to give up _________ on it .
A．it’s , working B．itself , to work C．itself , working D．its , to work
--- What’s your question?
---I want to know _________.
A．how can trees help us B．how do trees help us
C．how trees help us D．how can we help trees
