— Why does the boy keep crying?
— It is ______ he has lost his favorite car model.
| A．since | B．so | C．when | D．because |
The reason _____ he explained is ___ she was ill.
| A．that , that | B．which , that | C．why,because | D．why, that |
_______, the disease diphtheria would produce a powerful poison that would kill the paient.
| A．If untreated | B．If it untreated | C．To be untreated | D．If being untreated |
He ___ in Nanjing where he ____ by his aunt.
| A．grow,grow up | B．grew up, grown | C．grew up , was brought up | D．grew,fed up |
They are of _____ height, but I think Mary ____ the job.
A.equally,is equal B.equal, is equal to Ｃ．equal, equals D.equally, is equaled
---- What was the party like?
------ Lovely. It’s worth ___ all my life.
| A．remembering | B．to remember | C．to be remembered | D．being remembered |