A.happily | B.happy | C.happier |
A.happened | B.happen | C.happens |
A.playing | B.be playing | C.played |
A.is | B.be | C.will be |
A.a | B.the | C.an |
A.他们在看照片。 | B.他们在照相。 |
A.visit | B.visited | C.am going to visit |
A.time | B.class | C.present |
A.I think so. | B.Thank you. | C.Of course. |
A.in | B.with | C.on |