He must stay at home to look after his ____ mother . She has been _____for a week.A, ill . sick, B. sick ,ill C. ill ; ill D. sick ; illness
Nothing can stop the Sandstorm ___________ more and more trees are planted.
My mother was angry with me because I____________ last night .
China ________ the Great Wall in the world.
_____________speak ___________ in _______________.
There are many tall buildings on ____ sides of the street .