You can use a larger plastic bottle, ____ is cut off, ___ as a pot to grow flowers in.
| A．of which the top; with it’s top | B．whose top; with its top |
| C．whose top; the top of it | D．the top of which; with it’s top |
— How about dinner tonight? It's on me.
— ______ .
| A．You are welcome | B．Oh, I'd like to |
| C．Well, I'm afraid so | D．That's all right |
She ______ someone, so I nodded to her and went away.
| A．phoned | B．had phoned |
| C．was phoning | D．has phoned |
I'll be out for some time. ______ anything important happens, call me up immediately.
| A．In case | B．As if |
| C．Even though | D．Now that |
— I hope to take the computer course.
— Good idea. ____ more about it, visit this website.
| A．To find out | B．Finding out |
| C．To be finding out | D．Having found out |
I still remember my happy childhood when my mother ______ take me to Disneyland at weekends.
| A．might | B．must | C．would | D．should |