21. What he told us about the affair simply doesn’t make any _____________.
A. sense B. idea C. meaning D. mistake
22. Eating too much fat can __________ heart disease and cause high blood pressure.
A. result from B. contribute to C. attend to D. lead in
23.－What do you think of Peter?
－He is a helpful person. He is always helping people without expecting anything_______.
A. in turn B. in return C. on his turn D. on the turn
