She doesn't know _________________ made her daughter so sad this morning.
| A．what was it | B．why it was that |
| C．how that was | D．what it was that |
The delicious food at the hotel ______the uncomfortable rooms,so nobody complained.
| A．made up for | B．made up |
| C．tried out | D．made up of |
—How do you find your new treatment?
—Oh,it ______ wonderfully.
| A．does | B．works | C．turns | D．makes |
The young couple was worried,because neither of them was aware ______ they had lost the necklace.
| A．of the place | B．of which |
| C．where | D．of where |
—At last I’ve made it.I am on top of the world.
—______
| A．Congratulations! | B．You are really clever! |
| C．Oh,really? | D．Congratulate! |
We congratulated him ______ his getting a gold medal.That is to say: we offered him our congratulations ______ his getting a gold medal.
| A．at;on | B．of;on | C．on;for | D．on;on |