Many people have been ill from a strange disease these days,_________ we’ve never heard of before.
| A．one | B．that | C．it | D．this |
--Did he notice you enter the room?
--I don’t think so. He ________ to the radio with his eyes shut.
| A．listened | B．was listening |
| C．had listened | D．has listened |
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 |