We ________ certain living things as birds not because they have long legs or short legs, but because they all have feathers.[ ]
We didn’t find the Blacks___________the lecture —No one had told them about___________a lecture the following day
________ ,Mom had a cup of coffee and a few minutes’ rest.
cal government in Shenzhen has recently passed anew regulation forbidding supermarkets and stores to _______ free plastic bagsto shoppers, in order to protect the environment.
When you feel helpless and_______, just remember you are not_______ in the world because your friends are around you.