( ) Look, that’ s __________apple here. Under__________tree, you can see__________cat.
WhatDaming and Sam doing? A. amB. isC. are
Let’s getthe bus. A. on B. for C. at
They’resoy milk. A. doing B. drinking C. rowing
We can see lots interesting books A. in B. ofC. at
Look the people on the Lake. A. atB. onC. in