Though ______ to see us，the president gave us a warm welcome and showed us around.
A. surprise B was surprised C. surprised D. being surprised
It is ten years since we ________ each other. We have been working together.
| A．know | B．knew |
| C．get to know | D．got to know |
I asked my English teacher and he replied with a ________look.
| A．determine | B．determines |
| C．determining | D．determined |
The plane takes off at 6:00 p.m. So I have to arrive at the airport ________ 5:30 p.m. at the latest.
A after B. since C. until D. by
--How long ________ as an assistant here?
-- Ever since I finished middle school.
| A．are you working | B．did you work |
| C．have you been working | D．do you work |
--Forgive me for hurting you by saying so.
--________
| A．You are welcome |
| B．It’s not your fault. |
| C．Oh, well, that’s life. |
| D．That’s not important |