--I would why he ____so strangely these days.
--Recent pressure at study may account for his behavior.
| A．was acting | B．is acting | C．acted | D．acts |
You mustn’t drive _____ you have drunk.
| A．although | B．if | C．before | D．unless |
It’s not easy _____ a best friend in a new place.
A find B finds C finding D to find
Lin Tao _____ his uncle from the UK tomorrow.
A will see B saw C would see D had seen
What we have been doing may not do us any good, but ______ it will benefit us or others,we’ll stick it out.
| A．no matter | B．whether | C．however | D．despite |
The view ______ many scientists hold is ______ too much emission of carbon dioxide is destructive.
| A．what; that | B．that; which |
| C．that; that | D．which; which |