Rewrite the following sentences without changing their meaning

IV. Rewrite the following sentences without changing their meaning.

1. Does your class have twenty - five students?
=> Are _____________________________________________________________?

2. The Red River is 1,200 kilometers long. The Nile River is 6,437 kilometers long.
=> The Nile River is much _____________________________________________

3. Do you enjoy learning English?

=> Are you _________________________________________________________?

4. We spend half an hour walking along the beach

=> It takes ___________________________________________________________