We go _____ duty at 8 a.m.
|
A．on |
B．in |
C．at |
D．for |
There is a big and beautiful lake ______ the foot of the hill.
|
A．at |
B．in |
C．with |
D．on |
We built this factory ______ top speed and minimum(最少的) cost.
|
A．in |
B．at |
C．with |
D．on |
I’m all ____ sea and I’ve no idea how to fix my pencil box.
|
A．in |
B．on |
C．at |
D．off |
I got a letter this afternoon. It was ____ my foreign friend.
|
A．from |
B．in |
C．in |
D．at |
I can hardly work out the answer _____ this difficult question.
|
A．of |
B．to |
C．in |
D．for |
