Is this the homework you need to hand in today——Oh, yes, Mom. I thought I had put ______ in my schoolbag. Thank vou.

Tens of thousands of people had ___outside the US embassy.

____ he had not hurt his leg, John would have won the race.

_____ a smile on his face, he came into the classroom.

The museum will open in the spring with an exhibition and a viewing platform____ visitors can watch the big glasshouses being built