The apples on this tree are bigger than________on that tree．
A. this
B. that
C. those
D. ones
—What’s the________of these vegetables？
—It’s about 3 kilos．
A. size
B. color
C. price
D. weight
________trees we plant，________our city will be．
A. The fewer；the beautiful
B. The more；the more beautiful
C. The most；the most beautiful
D. The less；the more beautiful
We shouldn’t________he trees in order to protect the environment．
A. put B. take down C. cut down D. write down
The boy was badly ill．He had to drop out of school because of________．
A. darkness
B. illness
C. history
D. excitement
—________is the river？
—It’s about 5 meters in depth．
A. How long
B. How heavy
C. How deep
D. How much
