(2014·东北三省三校一联)Traffic conditions in Beijing________for decades.At first people only complained about jams during rush hours，but today every hour is rush hour.
#99124
A
is worsening
B
have worsened
C
have been worsening
D
worsened
推荐题目
To understand the complex situation completely requires more thought than ________ so far.
#102247
A
gave
B
has given
C
has been given
D
is being given
I feel so excited！At this time tomorrow morning I to Shanghai.
#101013
A
will fly
B
will be flying
C
will have been flying
D
am flying
Every passenger boarding the Titanic filled with confidence that the ship was unsinkable.
#101216
A
was
B
had been
C
has been
D
is
- Why do you look so worried?- My MacBook Pro broke down and my paper______unfinished since.
#100291
A
was left
B
has left
C
left
D
has been left
It ______ be better if I could earn enough money to buy a private car.
#103838
A
will
B
must
C
shall
D
would