1. Does your class have twenty - five students?
=> Are __there twenty - five students in your class___________________________________________________________?

2. The Red River is 1,200 kilometers long. The Nile River is 6,437 kilometers long.
=> The Nile River is much ____longer than the red river_________________________________________

3. Do you enjoy learning English?

=> Are you ___interested in english______________________________________________________?

4. We spend half an hour walking along the beach

=> It takes ____us _half an hour to walk along the beach________________________________________