___________the car came out, we started doing market research.
| A．Before long | B．Long ago | C．Long before | D．Soon before |
--How often do you go to the library?--______.
| A．In two days | B．Every few days | C．Each third day | D．Every a few days |
I can't understand it, will you please _____ once more?
| A．explain that word | B．repeat that word | C．explain us that word | D．explain that word for us |
Everybody in the little town knew my first teacher, so we had no _____ finding his home.
| A．difficulties in | B．difficulty with | C．difficulty | D．difficulty to |
It' s too late to go out now. _____, it's starting to rain.
| A．Besides | B．Meanwhile | C．However | D．Anyhow |
The food tastes _____ and sells _____.
| A．well; well | B．good; good | C．good; well | D．well; good |