question 1
The sale of government surplus machinery
will begin at 9 a.m. and continue until the supply lasts.
A
will begin at 9 a.m. and continue until the supply lasts
B
begins at 9 a.m., continuing until the supply lasts
C
will begin at 9 a.m. and, until the supply lasts, will continue
D
begins at 9 a.m. and, as long as the supply may last, it continues
E
will begin at 9 a.m. and continue as long as the supply lasts