This kind of plant is ______ to the changes of the temperature. So you should keep it from freezing.
A.available | B.valuable | C.sensitive | D.creative |
______ label to each of the trees, with detailed introduction of their features, and visitors will know more about them and how to protect them.
A.To attach | B.Attach | C.Attached | D.Having attached |
---Who is to give us the lecture today?
---The lady _____ our headmaster into the hall.
A.follows | B.following | C.followed | D.to be followed |
Those who don’t get their sufficient sleep are actually sending a(n) _____ to severe problems in their life.
A.invitation | B.warning | C.explanation | D.solution |
If we learn to accept change and appreciate what is new and different, we will be well-prepared for whatever the future may have _______.
A.in vain | B.in store | C.in demand | D.in general |
—Though itin the desert most of the year, people still live there.
—That’s the case. They say east or west home is the best.
A.hasn’t rained | B.didn’t rain | C.doesn’t rain | D.hadn’t rained |