Only 16 percent of China’s area ____ covered with forests, so ____of us should protect trees.
Alicehelp her mother do housework on weekends. A、often B、has to C、have to
sleep in class! A、No B、Not C、Don’t
Thereporridge in the bowl. A、is much B、are many C、are much
---- What did he tell you ,my boy ? ---- He said the sun always ____ in the east.
If you ___ to the Palace Museum next week, I will go with you.