ad becomes so crowded during rushhours, ______ it becomes a very slow route

I am very grateful to my high school teachers, without _____help I wouldn’t be so excellent.

The UN is an important international organization _____helps many people around the world

When I talked about the thing,I felt Jane watching me uncomfortably,looking________she wished to speak.[ ]

The old lady is in her mid-seventies, seventy-six to be _________. [ ]