Choose the best answer for each of the following sentences. 1. The United States _ a population of 250 million. A. has B. have C. to have D. having 2. There _ any new mails in the mailbox for you today. A. are not B. is not C. be not D. not are 3. Both the boss and his colleagues robbed last night. A. is B. were C. are D. been 4. My brother together with his friends often in the park. A. jogs B. jogging C. jog D. to jog 5. Five hundred miles a long distance. A. been B. are C. were D. is 6. Neither he nor they.
