【单选题】
The monument(里程碑) was built in honor of the explorer who was believed________the river.
①
to have discovered
②
to have been discovered
③
to discover
④
having been discovered
【单选题】
13.The monument(里程碑) was built in honor of the explorer who was believed ____the river.
①
to have discovered
②
to have been discovered
③
to discover
④
having been discovered
【单选题】
he park has been built and it will be open _____ three years
①
A. in
②
B.for
③
C.on
④
D.after
【单选题】
The new technology has been ( ) in the industrial production.
①
utilized
②
possessed
③
elevated
④
focused
【单选题】
She was wondering whether he has been writing anything new ____
①
late
②
later
③
latter
④
lately
【单选题】
Modern machinery _______ been installed in this newly-built factory.
①
has
②
have
③
is
④
are