Robert is said abroad, but I don’t know what country he studied in.

We’ll have dinner at Qianxilong Restaurant, which is famous ________ its food.

_________ you _________ your homework yet— Yes, I_________it ten minutes ago.

The children ______ a P.E. class on the playground when it began to rain suddenly.

What’s one fourth and a half, do you know—Yes, it’s________.