---Whose advice do you think I should take?
---_______.
| A．You speak | B．That's it | C．It's up to you | D．You got it |
Proper first aid can save a seriously injured person，especially when he or she is bleeding heavily or______.
| A．has poisoned | B．was poisoned |
| C．has been poisoned | D．is poisoning |
—I took a picture of you just now.—Really? I______with attention.
| A．didn’t look | B．wasn’t looking |
| C．am not looking | D．haven’t looked |
—I remember I ______my bag somewhere around here.—Really? I never saw it.
| A．left | B．leave | C．was leaving | D．had left |
The man often feels lonely.He seems to have______ most of his friends.
| A．fallen | B．dropped |
| C．stopped | D．made |
It seems that oil______from this pipe for some time.We’ll have to take the machine apart to put it right.
| A．had leaked | B．is leaking |
| C．leaked | D．has been leaking |