It is __________to visit so many places of ________around the world. I never feel _________when I see them.
There is _____ “s” and _____ “u” in ______ word “use”.
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--- It shouldn’t take long to clear up after the get-together if we all volunteer to help . ----- I quite agree with you . _____________.
The boy is ________ to greet us every morning .
--How long has Robert _______? ---Since 2000.