–Whose is this purple scarf?
–It _______ be Mary’s. She always wears a purple scarf like this.
A.must | B.can | C.mustn’t | D.can't |
– What do you know about _______?
-- Line drawings that show how something works.
A.pictures | B.diagrams |
C.programmes | D.paintings |
Try to give its meaning when you meet a new word. Don’t _____ your dictionary all the time.
A.work on | B.take on |
C.keep on | D.depend on |
It’s common ______ that the Japanese eat Sushi.
A.information | B.knowledge |
C.direction | D.instruction |
The main unit _________ all the computer’s electronics.
A.contains | B.shows |
C.uses | D.helps |
You _______ ever saw computers years ago, but now they are everywhere.
A.sometimes | B.usually |
C.hardly | D.almost |