My elder brother wants to buy a _ computer, so that he can carry it around when he travels.
Mr. Wang made up his mind to devote all he could______ his oral English before going abroad .
They _____ building the new hotel because of the great cost.
-Excuse me! How can I get to the nearest post office?-Walk along this road for a few minutes. and you will___.
---Your accent is great. You sound like an American native.--- ________. I still have trouble expressing myself.
Jim took this course, _________ improve his spoken English.