He was so busy that _____ I could say hello to him he had rushed out of the room．
| A．when | B．before | C．since | D．until |
— Ten dollars, please!
— How terrible! I ______ bringing my wallet with me.
| A．was forgetting | B．forgot | C．had forgotten | D．am forgetting |
— Did you know any Chinese, Joyce, before you arrived in Beijing?
— In fact, never _______ it.
| A．have I learned | B．I have learned | C．had I learned | D．I had learned |
There's no bus now, and we can't get home _______ by taxi.
| A．rather than | B．other than | C．more than | D．less than |
It ______ quite correct that happiness comes from thinking about things in a positive way.
| A．has turned out | B．has been turned out | C．is turning out | D．is turned out |
In the 19th century the government _____ land to settlers willing to take care of it.
| A．advocated | B．separated | C．divided | D．distributed |