问题:
—Why are you so happy today?
—Because I to London with my parents tomorrow.
A.fly
B.am flying
C.have flown
D.flew
—Why are you so happy today?
—Because I to London with my parents tomorrow.
—Because I to London with my parents tomorrow.
A.fly | B.am flying | C.have flown | D.flew |
参考答案: