“Long time no see” is______ sort of informal. But it is part of_____language that Americans use daily.A. the; a B. a; the C. /; the D a; a
I ____ to visit you later that day, but I had to phone and cancel.
Animals are obviously _____ lower form of life than ______ man.
Recycling is one way to protect the environment; reusing is _____.
I would have gone to my cousin’s birthday party last night, but I ______ available.
______ is often the case in science, there is no simple answer