Farmers in China began to use tractors _______ cattle for farming work.
| A．to take place | B．to take place of |
| C．to in place of | D．to take the place of |
Will was stupefied with exhaustion, and he _____ his head on the grass under one of the trees and slept, but he saw a cat acting strangely.
| A．should have lied | B．ought to have lay | C．might have laid | D．must have laid |
----He thinks that girls are smarter than boys when it comes to learning English.
----But two years ago he thought_______.
| A．so | B．otherwise | C．opposite | D．different |
Although her diseaseher eyesight and forced her to leave the dance floor, she refuses to fall into self-pity.
| A．has affected | B．affected | C．affects | D．had affected |
At long last the child was found on top of _____ we call the museum of science and technology.
| A．which | B．that | C．what | D．where |
I was blessed with a happy childhood, _____ most people would want to have.
| A．that | B．it | C．the one | D．one |