Only at that time how much time she had wasted.
| A．Mary did know | B．did Mary know | C．does Mary know | D．Mary does know |
Oneachsideofthestreet ____alotoftrees.
| A．stands | B．grow | C．isstanding | D．aregrown |
Thesheetsforyourbed____washing.
| A．needs | B．areneeding | C．want | D．arewanting |
OneofMarx’sworks _____writteninEnglishinthe1860s.
| A．was | B．were | C．wouldbe | D．are |
Thenumberofthepeoplewho _____cars _____increasing.
| A．owns,are | B．owns,is | C．own,is | D．own,are |
____ofthemoney _____usedup.
| A．Three-five,are | B．Three-fifths,havebeen |
| C．Three-fifths,hasbeen | D．Third-fifths,is |