Robert is said _______ abroad, but I don’t know what country he studied in. 
#98633
A
to have studied
B
to study
C
to be studying
D
to have been studying
推荐题目
A medical team____150 doctors and nurses went to WenChuan torescue the trapped.
#98769
A
was made up of
B
consisted of
C
made of
D
made up of
The conference the_____ possibility of closer trade links.
#97933
A
rejected
B
investigated
C
proposed
D
postponed