If we _____ nothing, there _____ fewer and fewer tigersin the world. [ ]

It always takes me not so long to shop because I like to go directly to ______ I want to buy.

We all know that learning a foreign language _______ time and effort.

I like the little girl, so I tried to help ______.

Andy, you were the only person that was late for the meeting, why? —Sorry, sir. But I really had a __________ time finding the meeting hall.