You don't have to worry about me. I'm old enough to myself.
| A．look after | B．look for | C．look up | D．look at |
It took me _______ hour to finish my homework.
A.a B. an C. the
My mother_________500 yuan_______the bike.
| A．paid, on | B．paid, for | C．spent, to | D．spent, in |
I'd like to know __________or not.
| A．whether will he come | B．if he has come |
| C．whether he will come | D．that he will come |
We arrived _______the farm ______ a Tuesday morning .
| A．to, on | B．in, at | C．on, in | D．at, on |
I'm going for a field trip but I haven't decided_________.
| A．what to do | B．to do what |
| C．where to go | D．to go where |