单选( 12分)
( )21. It is very kind ____ you to help me with my lessons because it is very difficult ____ me to learn them well.
A. of; forB. of; ofC. for; ofD. for; for
( )22..A boy with two dogs_____ when the earthquake rocked the city.
A. were sleeping B. is asleep C. was sleeping D. are asleep
( )23.. Mother doesn’t __________ me to drive a car..
A. let B. allow C. make D. have
( )21. It is very kind ____ you to help me with my lessons because it is very difficult ____ me to learn them well.
A. of; forB. of; ofC. for; ofD. for; for
( )22..A boy with two dogs_____ when the earthquake rocked the city.
A. were sleeping B. is asleep C. was sleeping D. are asleep
( )23.. Mother doesn’t __________ me to drive a car..
A. let B. allow C. make D. have