入境的保健食品,应提供卫生主管部门(卫生部)核发的进口保健食品批准证书( )
参考答案:对
_____ full preparations, we decided to put off the party till next week. [ ]
A. We did not make
B. Having not made
C. We had not made
D. Not having made
Every student as well as teachers who_______ to visit the museum ______ asked to be at the school gate on time.
A.is; is
B.are; are
C.is; are
D.are; is