if they search the scene of the crime thoroughly, they will find the necessary evidence.
A.is being found
B.will be found
C.has been found
D.could be found
the teacher let his students take an extra week for their projects.
A.have been allowed to take
B.are allowed to take
C.were allowed to take
D.are going to be taken
they used balloons to decorate the house and garden on the day of the party.
A.were decorated with
B.were decorated by
C.are being decorated with
D.were being decorated by
students from the department of psychology attended the lecture on memory techniques.
A.is attended by
B.are attended with
C.can be attended by
D.was attended by
Ralph helped me to write up my notes.
A.was helped
B.I was helped
C.I am helped
D.were helped
they used a rock to smash the shop window.
A.was smashed by
B.is smashed with
C.was smashed with
D.will be smashed with
they make students of psychotherapy undergo psychoanalysis themselves.
A.are made to undergo
B.is being made to undergo
C.are being made to undergo
D.is made to undergo
police believe he carried out the attack with a heavy, blunt instrument.
A.was carried out by
B.was going to be carried out with
C.is to be carried out with
D.was carried out with