--It’s clever _____ you to help me work out this difficult maths problem. Thanks.
--- You are welcome. Now it’s easier ______ you to understand it.
| A．of; of | B．of; for | C．for; of | D．for; for |
---Why are you still waiting in line?
--- I’ve missed my turn ________.
| A．order | B．miss |
| C．time | D．/ |
---Would you mind my using your dictionary?
---________.
| A．Of course not | B．Yes, please |
| C．You’re welcome | D．My pleasure |
---I have finished my homework already, mum.
--- When ________ you ________ it?
| A．did; finished | B．did; finish |
| C．have ; finished | D．were; finishing |
I haven’t heard from Bill ________ he left here.
| A．when | B．before |
| C．since | D．while |
---I’m sorry, Linda. I’m late.
--- Oh, Kate. You have kept me ________ for you for half an hour.
| A．wait | B．waiting |
| C．to wait | D．waits |