Hey,Daniel.You should not drop litter so___________.
A.careful B.carefully
C.careless D.carelessly
一Is Kitty really hardworking?
一Ye s_she keeps ________ dancing every day.
A.practicing B.to practice
C.practiced D.Practices
We need to ________ the problem in time—we can’t leave it till tomorrow.
A.read B.Work C.solve D.Attack
--- Which city has ________ population, Shanghai, Hong Kong or Qingdao?
--- Shanghai, of course.
A.the smaller B.the least
C.the most D.the biggest
How much did you______ the house?
A. pay for B. cost for
C. paid for D. cost on
I don’t think I climb that mountain alone.
A. am able to B. am good at C. am busy with
