Fill in the blanks:
The relations between two friends are so ______________ that no misunderstandings can ____________ them.

Correct option is B

The correct option is (b) strong; break.
The sentence describes a relationship between two friends, and the context suggests that their bond is unbreakable, meaning no misunderstandings can cause any problems between them. The word "strong" fits to describe a solid and stable relationship, and "break" is the appropriate word to indicate that misunderstandings cannot harm or destroy the bond.
Correct Sentence:
The relations between two friends are so strong that no misunderstandings can break them.
Other options are incorrect:
· (a) fragile; cement – "Fragile" would imply a weak relationship, and "cement" would not make sense in this context, as it means to strengthen or solidify, which contradicts the meaning of fragile.
· (c) sensitive; embitter – "Sensitive" might work, but "embitter" means to make someone resentful, which doesn’t match the idea of a relationship where misunderstandings can't cause harm.
· (d) close; unite – "Close" relationships can be strong, but "unite" doesn't fit in the second blank as it implies bringing together, which doesn't align with the idea of preventing misunderstandings.