31. It’s two weeks since we _______ the work in Beijing Ren’ai Education Institute .
#42537
A
finish
B
have finished
C
finished
D
has finished
推荐题目
--- May I use your dictionary, please?--- Sorry. My dictionary     . I’ve looked for it everywhere but I ______ it yet.
#41964
A
has lost; don’t find
B
is missing; haven’t found
C
has lost; haven’t found
D
is missing; don’t find
All the club members _______ the floor when they heard someone _______ for help.
#41802
A
swept; were shouting
B
swept; shouted
C
were sweeping; shouting
D
were sweeping; shouted
—Why did you go there?—I __________the homes of movie stars. 
#39303
A
visit
B
visited
C
will visit
D
am visiting
There is a big bank near my home and it  three years ago.
#39945
A
is built
B
are built
C
was built
D
is building