13.Whatdoyouthinkofhisproposalthatimprovementsintheoldtypeofvacuumcleaner.A)bemadeB)willbemadeC)wouldbemadeD)willhavetobemade
13. What do you think of his proposal that improvements ________ in the old type of vacuum cleaner.
A) be made B) will be made C) would be made D) will have to be made
A
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