Помогите пожалуйста:)Test.1. Choose the correct from of the verb 039;039;to be039;039;

Помогите пожалуйста:)

Test.
1. Choose the correct from of the verb ''to be'' in the Present Simple Tense:

Mrs.Green___a teacher of English.
a) am
b) is
c) are
2.Choose the correct from of the verb ''to be'' in the Present Simple Tense:

There___a window and a door in this room.
a) is.
b) are.
3.Choose the correct from of the verb ''to be'' in the Present Simple Tense:

They___in Sochi in summer.
a) was.
b) were.
4.Choose the correct from of the verb ''to be'' in the Present Simple Tense:

How many children___there in the room?
a) was.
b) were.
5.Choose the correct from of the verb ''to be'' in the Present,Past and Future Simple:

They___in Moscow tomorrow.
a) are.
b) were.
c) was.
d) will be.
6.Choose the correct from of the verb ''to be'' in the Present,Past and Future Simple:

I___sure he___here in five minutes.
a) am; will be.
b) am; is.
c) is; am.
d) will be; am.