I really don't know _____ I put my wallet．
| A．where was it | B．it was where that |
| C．where was it that． | D．where it was that |
I'm not sure where my necklace is, but I have a pretty good idea who________it．
| A．take | B．took |
| C．had taken | D．will take |
His early comedies were filmed________black and white．
| A．of | B．with | C．in | D．by |
Just be patient．You _____ expect the world to change so soon．
| A．can’t | B．may not |
| C．needn’t | D．didn’t |
Having finished the work，__________．
| A．it was almost six o’clock |
| B．supper was ready |
| C．a postman came and delivered some letters． |
| D．we had a rest and then had supper |
It was with great joy _______ Tom received the news that his lost son had been found．
| A．because | B．which |
| C．since | D．that |