A.sew
B.flew
C.threw
D.blew

A. How old are they
B. What does he do
C. and brothers
D. but no brothers
E. What do they do
F. is studying
G. Does she work
H. She is a lawyer

A．no traffic is allowed on some streets
B．traffic is computer-controlled
C．cars move very slowly
D．only one way streets are open to traffic