---- Have you ever seen a whale alive? ---- Yes, I’ve seen ____.
| A．that | B．it | C．such | D．one |
You are wet through . You ____ in the rain .
| A．must come | B．must be caught | C．must have caught | D．must have got caught |
Put on more clothes . You ____ be feeling cold with only a shirt on .
| A．can | B．could | C．would | D．must |
As a soldier , you ____ do as the head tells you .
| A．will | B．shall | C．may | D．ought |
Look! Xiao Wang is too sleepy to work . He ____ up watching TV .
| A．mustn''t have stayed | B．shouldn''t have stayed |
| C．mustn''t stay | D．ought not to stay |
The streets are all dry . It ____ during the night .
| A．can''t have rained | B．mustn''t have rained | C．couldn''t rain | D．shouldn''t have rained |