When we ___ a foreign language, we’d respect its ____, or we can’t really learn it well.
| A．speak; idioms | B．study; ways | C．learn; customs | D．master; manners |
_____I live I must serve the people heart and soul.
| A．When | B．So long as | C．As soon as | D．On condition |
We shall go_____we are free.
| A．whenever | B．whatever | C．wherever | D．however |
It was not long_____ he got to know it.
| A．when | B．before | C．after | D．until |
It is five days_____ we came here.
| A．when | B．before | C．as | D．since |
I have not seen him_____ he went to college.
| A．when | B．before | C．as | D．since |