Life is harder for Senior Three students throughout China．Hardly _____ endless exercises or tests．

It is so dark tonight, Mum— Yes, this is just ________ we can enjoy brilliant stars in the sky[ ]

Is it my age ______the boss minds?—I’m afraid so. He will consider ______ necessary to have an experienced assistant.

Most of the artists _______ to the partywere from South Africa.

The dog rushed to the nearest village ______ it could get someone to help his dying owner there.