It's hot summer.A. in B.at C.on
We can see interesting things. A. lot of B. a lots of C. lots of
Look at the men the big trees. A. in B. at C. between
What Daming and Sam doing? A. am B. is C. are
Let’s get the bus. A. on B. for C. at
They’re soy milk. A. doing B. drinking C. rowing