__________, the song is very popular. 
| A．Sounded beautifully | B．Sounding beautifully |
C．Sounded beautiful | D．Sounding beautiful |
---What have you learned from your experience in the USA?
---Well, meeting people from another culture ______ be very difficult.
| A．must | B．can |
| C．should | D．shall |
. ---Have you seen ____ iphone? I left it on the desk this morning.
---Is it ____ white one? I think I saw it somewhere.
| A．an; the | B．the; the |
| C．an; a | D．the; a |
It is a ________，but is a chance as well.
| A．task | B．question | C．challenge | D．work |
How long have you ________ in the army?
| A．joined | B．come | C．stayed | D．served |
—Why did Tony leave our company?
—He was________ a better job at Haier.
| A．provided | B．offered |
| C．protected | D．owned |