Some birds fly in winter and some stay in the north.
| A．south | B．the south | C．in the south | D．to south |
----Mary’s been offered a job in a university, but she doesn’t want to take it.
-----_______? It’s a very good chance.
| A．Guess what | B．So what |
| C．Who care | D．But why |
In our class there are 50 students，half ___________ wear glasses．
| A．in whom | B．in them |
| C．of whom | D．of them |
Passengers are permitted ___________ only one piece of hand luggage onto the plane．
| A．to carry | B．carrying |
| C．to be carried | D．being carried |
— Dear，the skirt I received today is not the same as is shown online．
— _________? But I promise you that we’ll 1ook into it right away．
| A．Who says | B．How come |
| C．What for | D．Why worry |
She has received all offer from Berkeley，but I don’t know ____________ she will accept it or not．
| A．Where | B．whether | C．what | D．which |