1.In many places in the USA, car is still popular means of transportation.
A. a; the B. /; a C. the; a D. the; the
2. The book Wave was expected________by August 1952,but actually the end was still nowhere in sight even two years later.
A.completed B.to have completed
C.to complete D.to have been completed
3.The number of people in the world _______ about 6 billion and large quantities of waste _______ each year.
A. totals; has been produced B. totals; is produced
C. totals; are produced D. total; are being produced
