My dad __________ Singapore for a meeting. He ________ there twice.
#39807
A
has gone to, has been to
B
has been to, has gone to
C
has gone to, has been
D
has been to, has gone
推荐题目
There are many people downstairs. What do you think _____? 
#40285
A
to happen
B
is happening
C
is happened
D
happened
Tom often makes his brother___but yesterday he was made___ by his brother.
#42374
A
cry; to cry
B
to cry; cry
C
cry; cry
D
to cry; to cry