________ animals are in danger and there will be ________ space for them if we don’t take any actions.
Frank wanted to learn to play _______ guitar, but he didn’t have _______ guitar.
.Many scientists believe that now we can study the behavior of a three-year-old child to see ____ they will grow up to be criminals.
I can’t find my pen.Could you lend me ________ ?—Sorry,I’m using it__________.
Mr He is on a black jacket today. A B CD [ ]