1. A red traffic light ____ "stop "
a) means b)mean c) is mean
2. he ____ to any parties
a) isn't belong
b) don't belong
c) doesn't belong
3. Do you ____ where the post office is?
a) know b)knowing c)knows
4. my mother ____ lots of money on clothes
a) don't spend b) spends
c)spend ​