求救!!!!!呢句點解??????? help!!!!!!!!

1. what he is trying hard to hide are his arms and legs which show clear bruises and wounds.

2. what he is trying hard to hide his arms and legs which show clear bruises and wounds.

以上兩句句子那一句是對的.若第1句是對的,那個粗體 are在句子中有什麼作用??

請各位高手幫幫忙,thankyou!!!!!!

The fist sentence is correct.

Connie's right. The first sentence is correct. The second sentence is missing a verb.