A.Yes, it is. | B.Yes, they are. |
A.these; it | B.this; it | C.this; they |
A.long | B.round | C.sour |
A.see | B.taste | C.hear |
A.Yes, it isn’t. | B.Yes, it is. | C.No, it is. |
A.white | B.eraser | C.black |
A.sweet | B.bitter (苦的) | C.thin | D.sour |
A.How | B.What | C.Who |
A.It's sour. | B.It's cold and sweet. |