单项选择题
A.in front of B.in the front of C.at the back of D.at the beginning of
The league secretary and monitor（）asked to make a speec...
单项选择题The league secretary and monitor（）asked to make a speech at the meeting.
A.has B.was C.are D.were
The Japanese,（）average, live much longer than the Europ...
单项选择题The Japanese,（）average, live much longer than the Europeans.
A.with B.in C.to D.on
The girl sometimes has difficulty（）what the teacher say...
单项选择题The girl sometimes has difficulty（）what the teacher says in class.
A.understand B.understanding C.to understand D.understood
