Fill in the blanks with an appropriate preposition. Answers The world will run out of oil if it doesn’t practice conservation. The streets of New… Continue reading

Fill in the blanks with an appropriate tense form. Answers The fabric of a nation is weakened when its citizens mistrust the government. Our company… Continue reading

Fill in the blanks with an appropriate preposition. Answers The teacher had a conference with each student during the term. The United Nations is a… Continue reading

Fill in the blanks with an appropriate tense form. Answers Ever since he got a raise, he has been too complacent to work hard. Competition… Continue reading