The engineer will return from Macao ____ afew days.

In the last year alone, more than 260 types of animals disappeared or became more ________.

Excuse me, can you tell me the way to the nearest railway station—Sorry, I don’t know. I’m new, this is my _______ time here.

下列各句中，没有语病的一句是

It’ s dangerous to climb the mountains or hills _____ cold and snowy days.