Mark the letter A, B,C, or D on your answer sheet that best completes each sentence.
In its pure state antimony has no important uses, but _____ with other substances, it is extremely useful metal.
Giải bởi Vietjack
Show the underlined part that needs correction.
The Canadian province of British Columbia is rich (A) of minerals and, because over 50 percent of (B) the land is (C) covered with forests, lumbering is its major (D) industry.
