I forget to bring a pen. Would you lend me        ?

The teacher tells us not to_________[lɑ:f] at others.

—Is that _    _ schoolbag? —No. __  _is white.

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

--- What’s wrong with my son, doctor? --- ____________ serious, just a slight cold. He’d better drink some water.