They do have a different tothe problem of overpopulation

The little girl trembled___________fear when she found a snake on the ground.[ ]

You look tired，Mike.—Oh，I stayed up last night，________the final of the Voice of China on TV.

The coat looks good on you. Where ____ you ____ it — In a supermarket.

ck, _____ we’ll miss the beginning of thefireworks display in the park.