A./ | B.a | C.an |
A.One blackboard. | B.An eraser. | C.A classroom. |
A.I see nineteen teachers. | B.There are eighteen lights. | C.These are seventeen fans. |
A.door | B.chair | C.desks |
A.thirteen | B.fourteen | C.sixteen |
A.We have fifteen teachers. | B.There are sixteen students. | C.The students are in the classroom. |
A.thirteen | B.fourteen | C.seventeen |