—Your colleague is speaking English with fluency.    —It's no wonder.She ____ in the UK for a year as a visiting professor.
#100532
A
worked
B
has worked
C
had worked
D
has been working
推荐题目
When we reached the stadium in a rush,  the newly-elected major ____ his speech and the performance _______.
#102284
A
have finished ; began
B
had just finished; was about to begin
C
had just finished; had begun
D
just finished; began
It is when the plane ______ that you’d better find out at the booking office.
#104088
A
would take off
B
had taken off
C
was taking off
D
is taking off
 The little boy is dirty from head to foot because he ______ in the mud all morning.
#103627
A
has played  
B
has been playing
C
is playing 
D
was playing