The students entered the classroom，smiling and________，and ______ down to have their lessons.
A.talked；sat B.talking；sitting
C.talking；sat D.talked；sitting
He kept a little notebook, in which the names and addresses of his friends.
A.wrote B.was writing
C.were written D.was written
that her mother would come back soon, the girl calmed down.
A.Having convinced B.Being convinced
C.Convincing D.Convinced
—Why? Tom,your skirt is so dirty!
—Mum, I my storeroom downstairs.
A.cleaned B.have cleaned
C.was cleaning D.have been cleaning
I’m sure you will do better in the test because you so hard this year.
A.studied B.had studied
C.will study D.have been studying
Lucy has_____all of the goals she set for herself in high school and is ready for new challenges at university.
A.acquired B.finished C.concluded D.achieved
