We saw some ________ on the wall.
A．drawings B．drawing C．draws
A butterfly ______ two ______of wings.
A. has; pairs B. has; pair C. have; pairs
Betty is ______ a word puzzle.
A. solving B. solve C. working
What score ______ you get?
A. did B. do C. does
twelve ______ four is eight.
A. Plus B. minus C. and
-_____do you like science best?
-Because it’s interesting.
A. Why B. What C. Who