【简答题】我国的国内航空货运单有 ( ) 联,包括 ( ) 联正本、 ( ) 联副本。
【单选题】Dr. Jones ordered ______ for the laboratory.
A.
two pieces of equipments
C.
two pieces of equipment
【单选题】About______of these rooms______empty.
【单选题】The_____ should be taken good care of. They are too young. [ ]
【单选题】______ number of the students in their school is about two thousand, ______ of them are boys.
【单选题】---We all wonder ____ the relationship between France and China is good again now? ---Because the two countries have common national benefits.
【简答题】数码摄影系统是由()、()、()三大部分组成的。
【单选题】Look! There are______grazing over there.
【单选题】—Something to drink? —Yes, ________.