If someone has an accident and can no longer walk, scientists might be able to use stem cells to ___ the damaged cells and allow that person to walk again.

Do you rememberhe came?—Yes, of course. He came by train.

Can you tell me theprogramme is on —Yes, it’s on Wednesday,at five o’clock.

As a result of the farmers’ hardworking, they harvested the wheat this year _____ as they did the year before.

My mother never has noodles ________ breakfast.