Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions. 

My son really hates Math. Its complicated formulas are the reason.

Hanh will finish all her work ________________.

Mary met her second husband not long after her first marriage _________________.

The food at the new restaurant is ....... than the old one.

You are ________ only person whose opinion is of any value to me in the present regrettable circumstances.

The woman ____________ about her son’s travelling because there is so much traffic on the narrow and crowded way to school.

Removing one's footwear before entering a home or a temple before worship _______ a sign of respect, humility, and submissiveness.

Americans believe in 'romantic' marriage - a boy and a girl are           to each other, fall in love, and decide to marry each other.

She'll start exercising _____.

The fact that space exploration has increased dramatically in the past thirty years indicates that we are very eager to learn all we can about our solar system.

The _____ time was a charm for Korea’s Pyeongchang 2018 Winter Olympic bid committee.