With more forests being destroyed, huge quantities of good earth __________ each year, which __________ that our environment is suffering.
#101375
A
are washing away, suggest
B
is being washed away, suggest
C
have been washed away, suggests
D
are being washed away, suggests
推荐题目
He       as a national hero for winning the first gold medal for his country in the Olympics.
#104863
A
regarded
B
was regarded
C
has regarded
D
had been regarded
Bob would have helped us yesterday, but he ________.
#99049
A
was busy
B
is busy
C
had been busy
D
will be busy
Unfortunately,when I got there,she        ,so we had only time for a few words.
#104545
A
just left     
B
had just left
C
has just left
D
was just leaving