China has produced this year as it did in 1996.
| A．as much steel twice | B．as twice much steel |
| C．twice steel as much | D．twice as much steel |
---Where does he come from ?
--- Pardon?
--- I asked where_________.
A…. did he come from B. he came from
She wondered __________.
| A．how much he cost the computer | B．how much he paid for the computer |
| C．how much the computer will cost him | D．how much did he spend on the computer |
---Do you know ________?
--- I'm not sure. Maybe he is a businessman.
| A． who he is | B．who is he | C．what he does | D．what does he do |
He is a friend ______ can help you in time of need.
| A．who he | B．whose | C．/ | D．who |
The most important thing ______ we should pay attention to is the first thing ______ I have said.
| A．which, that | B．that, which | C．which, which | D．that, that |