The evidence is thin and, to some extent, ________. So we have to find move convincing evidence.

Jack is taller than ______ boy in hisclass.

There is __________ “c” and _______“l” in the word “colour”. an, an

下列词语中，字形及加横线字注音全都正确的一项是（ ）

下列对于文化常识的表述，正确的一项是