It’s quite normal to ten percent of the cost of a building for a period of six months or so, in case faults are found in it.
| A．keep up | B． keep away | C．keep off | D．keep back |
We' ve published large quantities of books. This year___ we've published three million.
| A．only | B．just | C．alone | D．merely |
--- Haven't I told you that I like the beef well done?
---Yes, but I _____ it longer than I usually do.
| A．was cooking | B．will cook | C．cooked | D．had cooked |
_____ good, these cookies sell well.
| A．Smelled | B．Smelling | C．Being smelled | D．To smell |
What ______ public is concerned about is whether medical workers and scientists will be able to find for this new disease in a short time.
| A．不填;不填 | B．不填;the | C．the;不填 | D．the;a |
You can’t imagine that a well –behaved gentleman ______ be so rude to a lady.
| A．might | B．need | C．should | D．would |