urgent ...solve it plz

3. Join the sentences using either conjunctions or relative pronouns: a. The curtains were pulled shut. The college was empty. Alvin has always lived in the city. His parents bought a home in the suburbs. C. Azad has a toothache. He will see the dentist, Dr. Khurshid Mahmud. d. I lost the number. I had written her phone number. e. The policeman caught the thief. He is a friend of mine. f. The doctor wrote the prescription. I know the doctor for several years. 4. Put the correct form of the word in brackets and fill in the blanks: a. He is a -paid senior executive. (HIGH) b. A good is urgently needed to raise awareness among people. (ORGANIZE) C. Should our company the expenses of all kinds for decreasing the loss? (ECONOMY d. Experts have tried to find a to the personnel problems. (SOLVE) She's a specialist in psychology and human (BEHAVE) f. The of the most important port of the country eliminated all trade. (BLOCK)