Scientists study ____ human brains work to make computers.
| A．when | B．how | C．that | D．whether |
It’s good to know _____ the dogs will be well cared for while we’re away.
| A．what | B．whose | C．which | D．that |
（2013·北京卷)Experts believe people can waste less food by shopping only when it is necessary.
| A．why | B．where | C．that | D．what |
Police have found ________ appears to be the lost ancient statue.
| A．which | B．where | C．how | D．what |
His writing is so confusing that it's difficult to make out ________it is he is trying to express.
| A．that | B．how |
| C．who | D．what |
Do not let any failures discourage you, for you can never tell ________ close you may be to victory.
| A．how | B．that |
| C．which | D．where |
Police have found ________ appears to be the lost ancient statue.
| A．which | B．where |
| C．how | D．what |
Some of my workmates prefer to send to our QQ group ______ news they got.
| A．whatever | B．however | C．whichever | D．whenever |
When the students heard the alarm, they all hurried to they thought was an emergency exit door．
| A．what | B．which | C．where | D．who |
As a green hand, he doesn’t know______ it takes to start a business here.
| A．when | B．how | C．what | D．which |
Sarah hopes to become a friend of shares her interests.
| A．whoever | B．whomever | C．anyone | D．whom |
At last the soldiers reached ______the locals called the Golden Triangle.
| A．that | B．where | C．what | D．when |
Scientists say human activity contributes to climate change, but they do not agree on the rate_______ climate change may be developing.
| A．with which | B．with that | C．at which | D．at that |
As many as ten courses are provided ,and you are free to choose suits you best．
| A．whatever | B．whichever | C．however | D．wherever |
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