The policeman took the thief _________ and forced him into the car beside．
A．by the arm B．on the arm C．by his arm D．on his arm
I thought her nice and honest _________I met her．
A．first time B．for the first time
C．the first time D．by the first time
It _______ he died ________ people gave him credit for his work．
A．was until; when B．was until; that
C．wasn’t until; when D．wasn’t until; that
As a result of multi-media used in teaching, not only _______, but students become more interested in the lessons．
A．saved is teachers’ energy B．is teachers’ energy saved
C．teachers’ energy is saved D．is saved teachers’ energy
No one is sure of the extent ________ this will affect business．
A．which B．when C．by which D．to which
Stephen Hawking believes that the earth is unlikely to be the only planet life has developed gradually．
A．that B．where C．which D．whose
