This machine is very easy. Anybody can learn to use it in a few minutes.
| A． | operating | B． | to be operating | C． | operated | D． | to operate |
You were rude to your sister, _____you should make an apology to her.
| A．whom | B．for which | C．for whom | D．which |
Something unexpected happened, but _______ it was a pleasant journey.
A．in detail |
B．on average | C．to a degree | D．on the whole |
----Did you get what the teacher said?
----No. So softly _____ that I could hardly hear her.
| A．spoke she | B．she spoke | C．did she speak | D．she did speak |
---Lucy, read this book I____ that you’ll be fond of it.
---OK. I’ll read it after I have finished my homework.
| A．order | B．guarantee | C．prove | D．reveal |
The cells of humans, especially _____of the brain, can live only minutes without circulating blood.
| A．that | B．ones | C．it | D．those |