Bob said he was going to join our club but he didn’t. What a shame! He ______ his mind.
A.can’t have changed | B.mustn’t have changed |
C.wouldn’t have changed | D.shouldn’t have changed |
_______the Teachers’ Day ,the students are cleaning the classroom.
A.In spite of | B.In celebration of |
C.In search of | D.In place of |
I need to get another dictionary, because cover is dirty and page is missing.
A.a; a | B.a; the | C.the; a | D.the; the |
—I often see him working hard in his spare time.
—________he has won the scholarship from time to time.
A.No wonder | B.No doubt | C.No way | D.No problem |
Years ago we didn't know this, but recent science study ________that people who don't sleep well soon get ill.
A.showed | B.will show | C.has shown | D.is showing |
Is it only on the world market ________we can prove the competitiveness and quality of our goods?
A.where | B.which | C.that | D.how |