The book was written in 1946, ____ the education system has witnessed great changes.
A.when B.during which C.since then D.since when
I have never been to London, but it is the place ________.
A.where I would like to visit B.I most want to visit
C.in which I want to visit D.that I want to visit it most
The church tower which will be open to tourists soon. The work is almost finished.
A.has restored B.has been restored
C.is restoring D.is being restored
We are confident that the environment ________ by our further efforts to reduce production.
A.had improved B.is improved C.will be improved D.improved
Great changes ________ in our school since 2016. A lot of progress ________.
A.have taken the place; have been made B.had taken place; have been made
C.were taken place; has made D.have taken place; has been made
I intend to buy that kind of clothes because I ________ that they ________ well.
A.had been told; washed B.was told; washed
C.have been told; wash D.have told; wash
