YES/NO QUESTIONS (1): Change the following sentences into Yes/No questions.
There is a restaurant nearby.
He was a mechanic in his own country.
Joe is always talking on the phone.
There are two large windows in the living room.
They have locked the door.
We should do it tonight.
You can catch the bus.
A package has arrived for Mr. Green.
All visitors must register at the front desk.
Students are permitted to take four courses.