Question

A security guard operates a gate that _____ cars on and off the lot. lets or let's

Answer 1

A security guard operates a gate that let's cars on and off the lot.

Do you know whether or not we are allowed to bring our cell phones on the field trip?

The effects of the winter weather have crippled large portions of the country.

Answer 2

1 is lets

2 is whether

3 is affects