These people dress themselves in bloody shark suits．They tell people______shark fins in order to protect sharks．（ ）
A．eatB．to eatC．not eatD．not to eat
（）If there _____ no buying and selling of animals, there will be no killing in nature.
| A．is | B．will be |
| C．has | D．will have |
In summer milk will quickly go bad_____ it is put into a fridge.
| A．though | B．unless | C．because | D．once |
I still remember my first teacher we haven’t seen each other for many years
| A．for | B．because | C．since | D．though |
I’m sorry I’m very busy now.If I ______ time, I ______ come to see you.
| A．have, would | B．had, will |
| C．were, will | D．have, will |
If Tom_________ the game, he will be the__________.
| A．win; winner | B．will win; winner |
| C．wins; winning | D．wins; winner |