Only if a teacher gives permission _________ to enter the room.
A.a student is allowed B.is a student allowed
C.does a student allow D.a student allowed
The education of _______young is always _______ hot and serious topic in modern society.
A. the; / B. a; the C. /; the D. the; a
He didn’t recognize the man who hit him because he could just ____ a dark shape moving towards him.
A.make out B.turn out C.set out D.put out
— Henry doesn’t seem to be what he was.
— No. _______ so much in the war has made him more thoughtful.
A.Seen B.His seeing C.Having seen D.To have seen
— Can I help you?
— I’d like to buy a present for my father’s birthday, ______ at a proper price, but of great value.
A.which B.that C.one D.it
— Would you please tell us the prospect of fighting against COVID-19?
— We are sure to win the battle, but ______ it’ll be over soon I’m not sure at the moment.
A.whether B.that C.if D.when
