---Mary looks down today. What is up?
---Well, ____ happened between Mary and me is none of your business.
| A．wherever | B．whoever | C．whatever | D．no matter what |
It was the longest film we have ever seen ; it ____ three hours..
| A．lasted | B．ended | C．finished | D．completed |
___ was invented by Grain Bell..
| A．Telephone | B．The telephone | C．Telephones | D．The telephones |
We must ___ on our study..
| A．concentrate | B．concentrate at | C．concentrate on | D．concentrate with |
The USA and England are both ____ countries.
| A．speaking-English | B．English-speaking | C．spoken-English | D．English-spoken |
Our English teacher is a _____ and strict man.
| A．warm-hearted | B．warmly-hearted | C．warmly-heart | D．warm-heart |