Some amazing people _______ our world for the better in the past 100 years.
| A．change | B．are changing | C．have changed | D．had changed |
.
.More than 60 million people in southwestern China ________the drought nowadays as a result of less rainfall, environmental damage and so on
| A．are affecting | B．are being affected by | C．are being effected by | D．are effecting |
.
Please don’t do anything harmful ________ our nature, or we humans will have no ________ each other.
| A．to, fun about | B．for, fun with | C．for, fun about | D．to, fun with |
.
.What you said just now ________me of that American professor.
| A．mentioned | B．informed | C．reminded | D．memorized |
.
.--- Must I go there right now?
--- No, you_________.
| A．don’t need | B．mustn’t | C．don’t have to | D．hadn’t better |
.
My younger cousin is now on ______ diet. She is trying to lose ________weight.
| A．/; / | B．a ; / | C．the; a | D．the; the |