The baby _______speak before, but she _______ now.A. could; can B. can ; couldn’t C. couldn’t ; can
May, is this my pencil? Yes, it’s ___ pencil.a. my b. your c. her
Can Ming hear a bus? No, he ___. a. don’t b. can’t c. isn’t
_____ dolls are nice. I like ______ red doll. a. These, those b. This, these c. These, this
I like ____. a. tiger b. scarves c. T-shirt
There are(有) __ seasons in a year(年).a. five b. three c. four