Choose the correct answer A, B, C, or D to complete the sentences.

Louis Pasteur,________ discovered a cure for rabies, was a French scientist.

Choose the correct answer A, B, C, or D to complete the sentences.

The Taj Mahal, ________is recognized as one of the wonders of the world, was built by an Indian King in memory of his beloved wife.

Choose the correct answer A, B, C, or D to complete the sentences.

Mexico City, _________is the capital of Mexico, is a cosmopolitan city.

Choose the correct answer A, B, C, or D to complete the sentences.

We came within sight of Everest, _______has attracted so many climbers.

Choose the best answer to complete the sentence.

I love learning English idioms, ___ are very interesting in their origins and meanings.

Choose the best answer to complete the sentence.

The grammar of this lesson, ___ is about relative clause, is interesting to me.

Use a relative pronoun to combine two sentences into one with a non-defining relative clause.