(15分)( )1. please late for school.a. isn’t b. aren’t c. don’t be d. not be( )2. —how do you go to work?—i usually go to work _____.a. by a car b. in a car c. on car d. by car( )3. what about a party? good idea.a. have b. to have c. having d. has( )4. they