But for the help of John,he___last night
| A．must have drowned |
| B．would have drowned |
| C．was drowned |
| D．may have drowned |
This book is considered to be the best novel of its kind ever.
| A．to write | B．writing | C．having written | D．written |
-- I can’t find my umbrella.
-- I saw George going away with____, but I’m not sure whether it is yours.
| A．it | B．that | C．one | D．the one |
I can't _him in the knowledge of wild plants．As a matter of fact, he' s an expert．
| A．match | B．win | C．compare | D．defeat |
It's years we met each other at a party in Qingdao .
| A．when | B．that | C．before | D．since |
How come you stepped into the lab with your shoes on? You’re ________to take them off before you enter it. I told you so.
| A．suggested | B．supposed | C．forbidden | D．permitted |