He _________ in American for five years, and now he works in Shanghai.
#102614
A
have worked
B
worked
C
had worked
D
have been working
推荐题目
In this experiment, they are woken up several times during the night, and asked to report what they____. 
#104670
A
had just been dreaming
B
are just dreaming
C
have just been dreaming
D
had just dreamt
 David has got everything ready, _________ it well.
#103138
A
determined to do
B
to be determined to doing
C
determining doing
D
to determine to do