In the forest we observed some trees ____the leaves were black with disease.
| A．where | B．of which | C．in which | D．whose |
She can't help _____ the house because she's busy making a cake.
| A．to clean | B．cleaning | C．cleaned | D．being cleaned |
— What should I do with this passage?
—_____ the main idea of each paragraph.
| A．Finding out | B．Found out | C．Find out | D．To find out |
If the weather is fine, we'll go. If _____, _____.
| A．not, not | B．no, no | C．not, no | D．no, not |
Don't you know _____, my dear friend, it is you that she loves?
| A．who | B．which | C．that | D．what |
“I think the teacher is wrong, _____?” “No, I don't think so.”
| A．don't you | B．don't I | C．doesn't he | D．doesn't she |