If he had been able to afford an operation, he ________ his right leg．(lose)

If you want to do the experiment again, you'd better be more careful ________．(where)

The development of technology ________ for people to get in touch with each other more easily．(it)

________ did he realize that he was seriously ill．(finish)

Since my childhood I have found that ________ to me than reading,(attractive)

I have been dreaming of climbing that mountain, ________ an old temple．(stand)

They requested that I ________ the library by next Friday,(return)

________ was the friendliness and warmth of the local people,(impress)

The magnificent museum is said ________ about a hundred years ago．(build)

词型转换

These events led to the ________(declare)of war．