Is this the reason ______ at the meeting for his carelessness in his work?
Most of us believe that there should be a(n) ______ of mutual(相互的) trust and respect between teachers and students in teaching.
The robbers searched all the boxes in the house, hoping to __________more valuables
If something comes flying toward your face, your __________ will be to pull back.
The murderer in the murder case is a dark—haired white woman who is __________ forty years old.
Animals do different amazing things to __________ low temperatures when winter comes. Some head for warmer places, while others put on a thick coat of fur.