Robert is said _____ abroad, but I don’t know what country he studied in .
#94662
A
to have studied
B
to study
C
to be studying
D
to have been studying
推荐题目
 There are a few books on the shelf. But only one of them is________. 
#93782
A
worth to be read
B
worth being read
C
well worth reading
D
worth read
No matter how bright a talker you are, there are times when it’s better ______ silent.
#92583
A
remain
B
be remaining
C
to remain
D
having remained
________evidence that language acquiring ability must be stimulated.
#94966
A
If being
B
It is
C
There is
D
There being