They also warn that these countries are among the most _________ to climate change.Ala

These children are so full of__________ that they cannot keep still．A.powerB.ener

It can be inferred from the latest survey that______.A．hospital teaching across the countr

These creatures are so tiny that they can not always be seen with the ______ eye.A．bareB．n

Kathy: I hope they have all that stuff at the supermarket. Ben: We can also look online fo

We cannot always______the wind, so new windmills should be so designed that they can also

Beware of people in love for they are also ins