President Xi Jinping arrived London March 22nd to pay a three—day visit to England.
#46787
A
at; on
B
in; on
C
at; in
D
in; in
推荐题目
The young man wears glasses because he spends too much time _____ the computer.
#48396
A
to work, in
B
working, on
C
to work, on
D
working, in
