---What ______ the forest of Yangzhou in the last 30 years?---Yangzhou has become much greener.
#39620
A
has happened to
B
was happened to
C
has happened at
D
is happening
推荐题目
－Where _______ the 2008 Olympic Games _______?.－You don’t know? Beijing!
#38475
A
will; hold
B
has; been held
C
was; held
D
will; held
---I’m sorry to have kept you waiting long. ---Never mind. I ____ here for only a few minutes.
#42613
A
have been
B
have come
C
have arrived
D
waited
--Where is your teacher now, Jenny? -- My teacher ____________in the classroom.
#40131
A
teach
B
teaches
C
teaching
D
is teaching
— Did you watch the programme I Am a Singer on Friday night? It was wonderful. — I wish I had, but I ____________ for the mid-term examination.
#37082
A
prepared
B
was preparing
C
had prepared
D
would prepare