The psychologists who study the nature of sleep have made important discoveries . 
A.
B.
C.
D.

Lan is the second student who entered the classroom this morning . 
A.
B.
C.
D.

Did you get the message which concerned the special meeting ?
A.
B.
C.
D.

The fifth man who was interviewed was completely unsuitable . 
A.
B.
C.
D.

This is the third who is late for the meeting today . 
A.
B.
C.
D.

                   a bar of chocolate on the table. 
A.
B.
C.
D.

Our team                  a new member.
A.
B.
C.
D.

                 many dolls in my bedroom.
A.
B.
C.
D.

Tim and Sam                    many superhero customes.
A.
B.
C.
D.

                no way I can get to school before 8.30.
A.
B.
C.
D.