题干
______ of that country _______ by snow.
A：Second thirds; is covered
B：Two thirds; is covered
C：Two thirds; are covered
D：Two third; covers
答案(点此获取答案解析）
B
______ of that country _______ by snow.
A：Second thirds; is covered
B：Two thirds; is covered
C：Two thirds; are covered
D：Two third; covers
