We are confident that the step the Chinese government has taken to cope with the current crisis is ______ of great significance.
| A．what | B．those | C．that | D．one |
— 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 |
— Ten dollars, please!
— How terrible! I ______ bringing my wallet with me.
| A．was forgetting | B．forgot | C．had forgotten | D．am forgetting |
Scientists photographed for the first time ever _____ wild gorillas used a stick to test the depth of a pool before getting into it, according to a recent study.
| A．which | B．what | C．that | D．when |
In1994, China began collecting income tax from citizens earning more than 800 Yuan per month but only 1% people were earning more than _______; now about 60% earn the amount.
| A．this | B．these | C．those | D．that |
The man ____ of shooting 16 schoolchildren was returned to Anhui Province police on Friday following his arrest by Beijing police, the Xinhua News Agency reported on Friday.
| A．suspected | B．suspecting | C．being suspected | D．to be suspected |