The boy was seen _______ in the examination and was punished by the teacher.
A. cheating B. cheat C. cheated D. having cheated
If you_______ smoke, please go outside.
A. can B. should C. must D. may
Chinese president Xi Jinping visited Liangjiahe village, ______ he used to work in.
A. which B. what C. where D. when
＿＿surprised me most was＿＿Mary spoke Chinese just like a native speaker.
A. That, what B. Which, that
C. What, that D. That, that
Please remind me some eggs for the coming party.
A. buy B. to buy
C. of buying D. for buying
In my view, biology is ________ chemistry, but a little easier than mathematics.
A. a subject so difficult as B. as a difficult subject as
C. difficult as a subject as D. as difficult a subject as
