--What heavy snow! Is everyone here today? --Yes. __________of us is late for school.

—____ the workers are very tired, _____they keep on working. — They are great. We must learn from them.

I’m thirsty, Steven. Please pass ____ a bottle of water.

--- What ________ useful book ! ---Yes, it is. But I found___________ difficult for me to read.

—Whose notebook is this? Is it ______?—No, ______is blue and yellow,