The traffic slowed down because of the heavy snow in Yushu County, presenting a new _____ to the discovery from the earthquake.
| A．suffering | B．disaster | C．damage | D．challenge |
---I’ll do the washing-up. Jack, would you please do the floors?
--- _______.
| A．Yes, please | B．No, I don’t |
| C．Yes, sure | D．No, not at all |
--- I rang you at about nine, but there was no reply.
--- Oh, that was probably _______I was seeing the doctor.
| A．why | B．when |
| C．what | D．that |
---I lost my cell phone yesterday. Can you tell me _______ buy one like yours?
---Well, there is a department store just around the corner.
| A．where can I | B．what can I |
| C．where I can | D．when I can |
Along the way, students _______ school uniforms stopped to look at us when we were cycling on campus.
| A．dressing in | B．dressed in |
| C．wore | D．wear |
I am fond of my sister but she has one serious shortcoming. She _______ be really impatient.
| A．may | B．must | C．can | D．should |