It is reported that very little use of these waste materials_______ in the past decades.
#99386
A
was taken
B
was made
C
has been made
D
has been taken
推荐题目
Remember to give your parents my regards when you _____home.
#100964
A
phoned
B
phone
C
will phone
D
have phoned
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
When a pencil is partly in a glass of water, it looks as if it _______. 
#104039
A
breaks
B
has broken
C
were broken
D
had been broken