The professor told me to start the research right now, ________ I was sure to fall behind.
| A．or | B．so | C．but | D．and |
-- I am going to Sidney for further studies next month.
-- That’s fantastic. Can you keep emailing me ______ you are there?
| A．though | B．because | C．until | D．while |
We’ll have a sports meet for the next three days.________，we won’t have lessons for three days.
| A．In other words | B．On the other hand |
| C．For one thing | D．As a matter of fact |
George urged that Peter______ the boat around.
| A． turning | B． to turn | C．turned | D．turn |
So far the majority of cloned animals have suffered from some different serious disorders, ______ died soon after birth.
| A．many of which | B．many of whom | C．many of them | D．many of that |
No one can prevent the plan.
A． from carrying out |
B．to be carried out | C．being carried out | D．to carry out |