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He needs a ventilator to help him _______.
Development of new ________ is vital to an economy.
There were lots of people in the city ______ on Saturday.
A decade lasts for ten years while a _______ lasts for one hundred.
Jacob was _______ he knew his spellings.
I can't ______ whether I should go into town or not.
The poet used alliteration to ________ the beautiful butterflies.
In Britain, some spellings are _________ from the USA.
The conversion from Dollars to Yen was _________ to make.
The cooks traveled the world to __________ authentic native cuisines.
We conduct experiments in the laboratory.
A hurricane is a type of _______ weather.
His _________ lesson is Spanish.
________ is the shortest month in the year.
He was finding his German _______ homework difficult.
The security _____ watched with vigilance.
The tour _____ led us up the hill.
He was at the ______ of his popularity.
Eva could _______ swimming in the warm blue sea.
