I won't ________ those children making a noise in my house!
A、allow
B、let
C、have
D、permit
Theaddressbook________theemailaddressesofyourfriendsorgroupsofcolleagues.
A、makesiteasytorecall
B、makesiteasyrecall
C、makeseasytorecall
D、makesrecalliteasy
Becareful,_______you'llfalldown.
A、onthecontrary
B、orrather
C、orelse
D、asfor
It is useful to science _______ the earth as an object in space.
A、toconsider
B、whichconsiders
C、considers
D、theconsiderationof
Itisusefultoscience_______theearthasanobjectinspace.
A、toconsider
B、whichconsiders
C、considers
D、theconsiderationof