Have you ever studieda group?[ ]

Don’t ask the foreigners that question. It’s too______.––Sorry, I won’t next time.

Under______ reform program announced on Nov 15, the government has decided to give____ green light to couples wanting to have two children if one of the two parents is an only child.

________of the chemical factories in their city _________pouring waste water into the river. It’s too dangerous.

Is this your key, Jenny ? —No, ______ is in my handbag.