I didn’t go to bed _______ my sister came back.
| A．because | B．until | C．if | D．but |
He had ________ that he had difficulty finding a job.
| A．so little education |
| B．such little education |
| C．such a little education |
| D．so a little education |
I received a number of ________, but ________ of them is valuable to me.
| A．advice; both | B．advice; all |
| C．suggestions; both | D．suggestions; none |
---What about the popcorn?
---Wonderful! Nothing tastes ________.
| A．nice | B．better | C．worse | D．terrible |
---There is somebody knocking at the door. Who________ it be?
---I’m not sure. It ________ be a postman.
| A．may; must | B．will; can | C．can; may | D．may; will |
_______ the teachers in the school is one hundred, and _______ of them are women teachers.
| A．The number of; four-fifths |
| B．A number of; four-fifth |
| C．A number of; four-fifths |
| D．The number of; four-fifth |