---Thank you for inviting us.Tell your wife that she gave us a perfect party.
---I______. See you later.
| A．must | B．should | C．will | D．can |
20. It was already 11 o’clock in the evening_____they arrived at the hotel.
| A．when | B．before | C．that | D．Since |
19. I don’t want to see him. His ______ to me is always rather cold.
| A．opinion | B．behavior | C．action | D．Attitude |
18. You may give this message to________is in the office.
| A．who | B．easy | C．modern | D．certain |
17．Most hotels in Sanya were full during the Spring Festival, but finally we______find a room in a small guesthouse near the seaside.
| A．ought to | B．could | C．might | D．were able to |
16. Now many people_____higher degrees probably finish up nowhere when they try to get a highly-paid job.
| A．with | B．in | C．for | D．At |