—Your grandparents were very great.
—Yes. They supported my father’s schooling ______ they were very poor.
| A．as if | B．even though | C．so that | D．what if |
Tom often plays _____ soccer on _____ playground.
A.the;the B./;the C.the;/
—How many _____ are there in your class?
—About 63.
A.childs B.childrens C.children
The sign 
means（意思是） “ _____.”
A.No parking B.No U-turn C.No right turn
.Look! The students _____ the classroom.
A.clean B.are cleaning C.are clean
—What’s your favorite subject?
— _____ Because it’s easy and interesting.
A.Toys. B.Math. C.T-shirt.