9． --I rang you yesterday afternoon. A man answered, but I didn’t recognize the voice.
--Oh，it____ my uncle. He was in my room then.
| A．should have been | B．should be | C．must have bee | D．must be |
I can’t find my pen. Could you help ______ find it?
| A．me | B．her | C．him | D．them |
a written permission, he had to write another letter to the president of the university.
| A．Not giving | B．Not having been given |
| C．Having not given | D．Having not been given |
--- How come your father can read books in German?
--- Well, he on a project with some German engineers for 3 years when he was young.
| A．worked | B．was working |
| C．had worked | D．would work |
It was reported that 115 miners in the flooded mine for eight days were pulled out alive at last.
| A．trapped | B．being trapped |
| C．were trapped | D．had trapped |
--- Have you heard that Jones, along with her parents, to Hainan for the winter vacation?
--- Really? No wonder I haven’t seen her these days.
| A．had been | B．have been | C．has gone | D．have gone |