—_______ are your pens?—________ black.A.What; It’s B.What color; They’reC.Where; Them
—— What’s wrong with Tom? —— Bad luck! Tomhis bike and hurt his leg.
If your father ______ tomorrow, please tell me.
—— Is Jack back? —— No, but I think he ______ in half an hour.
He often talks ______ but does ______. People like him.
On ______ sides of the streets are a lot of colorful flowers.