Millions of trees         on March 12th last year.
#53285
A
are planted
B
were planted
C
was planted
D
is planted
推荐题目
The doctor ____ the crying baby but couldn’t find out what was wrong with it.
#61143
A
looked after
B
looked over
C
looked for
D
looked out
The maths problem is so difficult that none of them can          .
#57894
A
work out it
B
work it out
C
find out it
D
find it out
Don’t forget __________ the lights when you leave the classroom.
#59731
A
turning off
B
turning on
C
to turn off
D
turn off
---       you tired after the visit?--- No, I         .
#52522
A
Did, didn’t
B
was, wasn’t
C
Were, weren’t
D
Were, wasn’t