Look! There is a strange aircraft _____ in the sky.
A: fly
B: flies
C: flying
D: flied
A: fly
B: flies
C: flying
D: flied
举一反三
- Look! The bird _____ in the sky. A: flies B: is flying C: fly D: was flying
- I __________________ to London tomorrow. A: fly B: was flying C: am going to fly D: flied
- They saw the bird flap its wings and ________ away. A: fly B: flied C: flew D: flying
- A bird can ______ but I can’t.() A: flies B: flying C: flew D: fly
- This time next week, Andrew will be ______ to Canada. A: fly B: flew C: flies D: flying