Selecting a mobile phone for personal use is not an easy task because technology ________ so rapidly.
#99746
A
is changing
B
has changed
C
will have changed
D
will change
推荐题目
Don’t disturb me. I_______ letters all morning and have written ten so far.
#100860
A
have written
B
am writing
C
was writing
D
have been writing
– Where are you working now?– In Chongqing. But I _____ in Shanghai for 5 years. 
#100056
A
worked
B
had worked
C
have worked
D
had been working
 She       volleyball regularly for many years when she was young. 
#99866
A
was playing
B
played
C
has played
D
had played
A new cinema ______ here now. They hope to finish it next month. 
#103437
A
will be built
B
is built
C
has been built
D
is being built
The gasoline _______. Let’s fill the car up at the next gas station.
#101070
A
is running out
B
has run out
C
is being run out
D
has been run out