【题目】We are confident that the environment ______ by our further efforts to reduce pollution.
A.had been improved
B.will be improved
C.is improved
D.was improved

【题目】In the past few years, several Non-Governmental Organizations ______ all over the world.
A.have founded
B.have been founded
C.are founding
D.are being founded

【题目】Three-fourths of the buildings _________.
A.were destroyed
B.is destroyed
C.was destroyed
D.has been destroyed

【题目】Now all the employees except the manager _________ to work online at home.
A.encourages
B.encourage
C.is encouraged
D.are encouraged

【题目】Ann ________ a certificate at the end of the program to show she has learned computer skills.
A.will give
B.will be given
C.gave
D.was given

【题目】A new cinema _____ here. They hope to finish it next month.
A.will be built
B.is being built
C.has been built
D.is built

【题目】His sister left home in 1998, and _______ever since.
A.has not heard from
B.had not heard from
C.has not been heard of
D.had not been heard of

【题目】Would you please keep silent? The weather report ________ and I want to listen.
A.is broadcasted
B.is being broadcasted
C.has been broadcasted
D.had been broadcast