Not until they left school how much their teachers loved them and helped them.
| A．they realized | B．did they realized |
| C．the would realized | D．had they realized |
To meet the challenge, the young people preferred _______ heavier work to do in their spare time.
A．to have  given |
B．to be giving | C．having give | D．to be given |
--- What has happened to Alice ?
--- I don’t know.
She__________her job.
| A．can have lost | B．may have lost | C．should have lost | D．need have lost |
Just putting away the dishes,_________
| A．the telephone rang | B．someone knocked at the door |
| C．Mary heard the phone rang | D．the door was opened |
When asked______they needed most, the kids said they wanted to feel important and loved.
| A．what | B．why | C．which | D．that |
The Browns had the house painted brown when they moved in,____________?
| A．did they | B．hadn’t they | C．didn’t they | D．hadn’t they |