A.of | B.with | C.at |
A.have | B.had | C.having |
A.am | B.was | C.were |
A.He is going to send a postcard about the space travel. |
B.He is going to buy a postcard about the space travel. |
C.She is going to buy a comic book about the space travel. |
D.She is going to send a comic book about the space travel. |