The boy looked at the stranger carefully, ____________ who he could be.
A: to wonder
B: wondered
C: wondering
D: having wondered
A: to wonder
B: wondered
C: wondering
D: having wondered
举一反三
- She couldn't help but _________ what he was thinking. （ ） A: to wonder B: wondered C: wonder D: wondering
- The man looked me up and down _______ where I came from. A: wondered B: was wondering C: have wondered D: wondering
- He’s starting to _____ whether he did the right thing in dropping out of high school. A: wondering B: wonder C: be wondered D: be wondering
- I could not help _____________who would cook the meal. A: wonde B: wonderful C: wondering D: wondered
- — Excuse me, sir. Would you do me a favor? — Of course. What is it? — I if you could take me to the station. A: would wonder B: did wonder C: was wondering D: had wondered