—In May, President Xi Jinping spoke highly of the great changes of the Fenhe River in Taiyuan. I wonder ________.
—Everyone should play a part in making it cleaner and clearer.
A.which places he visited B.how we can protect the river C.why such changes have taken place
—I am a little nervous every time I take exams.
—Don't worry. Just try your best. ________, grades are not everything.
A.After all B.As a result C.In the same way
Friends often help us, especially during the hard time. So we should ________ them for their support.
A.be sorry for B.be thankful to C.be interested in
This year marks Earth Day's 50th birthday. It was created to remind people to ________ the earth — the home to all the living things.
A.talk about B.care about C.hear about
As students, we're supposed to go to the museum often. We can get more knowledge from the things ________.
A.on show B.on sale C.on land
You can bravely tell others what you think if you have different ideas. But ________ remember to choose the proper way.
A.never B.seldom C.always