My mother________the room when I arrived home．
A．cleaned
B．is cleaning
C．cleans
D．was cleaning
She closed the gate to prevent the dog________going out of the garden．
A．at
B．on
C．of
D．from
It is one of________buildings in our country．
A．tall
B．taller
C．tallest
D．the tallest
（2013广东）Not only my friends but also I________interested in football and Messi is our favorite star．
A．be
B．am
C．is
D．are
She didn’t sleep well last night．Now she feels________（sleep）and can’t wait to go to bed．
Listen!There must be someone________at the door．
A．to knock
B．knocking
C．knock
D．knocked
