A cook will be immediately fired if he is found _________ in the kitchen.
A. smoke B. smoking C. to smoke D. smoked
_____by one of his fellow soldiers，the wounded man walked slowly across the field．
A．Supporting B．Supported C．Support D．Been supported．
Jenny worked hard before the final examination，and it_______．She got an A．
A．showed off B．paid off C．put off D．took off
All the things __________ must be done well．
A. worth to do B. worthy of being done
C. worthy doing D. worth of doing
Follow your doctor’s advice,_____ your cough will get worse.
A.or B. and C. then D. so
I spent five hours_____________ the book__________ I paid 10 dollars.
A. reading; that B. to read; for that C. read; which D. reading; for which
