He began to ____ English three years ago.
A: learn
B: learns
C: learned
D: learning
A: learn
B: learns
C: learned
D: learning
举一反三
- He English since he seven years old. A: has learned, was B: is learning, is C: learned, has been D: learns, is
- He began leaning English ten years ago.
- He began to learn English ________he was seven years old. A: and B: u-here C: so D: when
- It is time the doghow to behave properly. A: is learning B: learns C: learned D: to learn
- It's time the dog ______ how to behave properly. A: is learning B: learns C: learned D: to learn