---What do you think of your parents?
---They always let me do ________ I think I should do.
| A．when | B．that |
| C．how | D．what |
Not a single word at the meeting yesterday.
| A．he said | B．said he | C．did he say | D．he didn’t say |
down the radio a little—the baby is sleeping.
| A．Turning | B．Turn | C．To turn | D．Turned |
—Who’s knocking at the door?
—Maybe wanting to sell some new products.
| A．everyboby | B．anybody | C．somebody | D．noboby |
The house could fall down soon if no one some quick repair work.
| A．has done | B．is doing | C．does | D．had done |
My cell-phone has disappeared. Who have taken it away?
| A．could | B．should | C．must | D．might |