Great changes ______ in the past few years, and a lot of factories ________.
#100648
A
had taken place; have been set up
B
have taken place; have been set up
C
took place; have set up
D
were taken place; were set up
推荐题目
The harder you ________， the better progress you ________.
#101145
A
will work; will make
B
work; have made
C
work; will make
D
will work; make
We are confident that the environment________by our further efforts to reduce pollution. (2013·辽宁，30)
#99433
A
had been improved
B
will be improved
C
is improved
D
was improved
The Titanic, the biggest ship of its day, ____ unsinkable, but it sank on its first voyage in 1912.
#104179
A
thought
B
was thought
C
thought it
D
was thought it
The building which _____ now will be our science laboratory.
#103024
A
is being built
B
will be built
C
is built
D
has been built
– May I go to the movies tonight, mum? -- You can when you ____ your homework.
#102509
A
will finish
B
are finishing
C
will have finished
D
have finished