Mrs. Green said the plates ________ right away，or they would become difficult to wash.
A. will be washed B. should wash C. will wash D. should be washed
Paper is made ______ wood, in other words, wood is made ______ paper.
A. from; into B. into; from
C. in; by D. by; in
After ________ you that letter I realized how stupid I was.
A. sent B. sending C. send D. to send
Gina used to ____on weekends, but now she is used to_____ insects with her friends.
A. watch TV; studying B. watching TV; studying
C. watch TV; study D. watching TV; study
It’s ______ for my son to go to school from here. It only takes five minutes on foot.
A. interesting B. dangerous
C. convenient D. difficult
Jack's mother taught me how ________ Yunnan rice noodles last weekend.
A. to make B. making C. make D. to making
