5. Are you looking for Ben? He _______ be in the garden. I think I can hear his voice.
A: could
B: can
C: can’t
A: could
B: can
C: can’t
举一反三
- Could you speak more loudly?- ________ A: It's a good line B: The line is bad C: I can hear you D: You can't hear me
- I don't think I can come to the concert. A: What time will you arrive B: Are you sure you can't C: Do you think you can
- I want to borrow £5. A: I had wanted to borrow £5. B: I was hoping to borrow £5. C: You can lend me £5, can't you
- I don't think he is a man ( ) . A: whom you can believe B: that you can believe C: whom you can believe in D: what you can believe in
- I wish I ______ you, but I don't know his phone number. A: can help B: can have helped C: could help D: could have helped