“We will do the right thing and do what we have to do investigate crimes ______ they exist,” claimed the police officer in chief.
| A．whatever | B．wherever |
| C．whichever | D．however |
If _____ without following the doctor’s instructions, the medicine may have serious side effects.
| A．taken | B．to be taken | C．taking | D．being taken |
The Chinese government has promised to do ______ lies in its power to ease the pressure of high housing price for average-income families.
| A．that | B．what | C．where | D．which |
He volunteered to work in a remote mountainous village in West China last year, which is still _____ on foot now.
| A．available | B．acceptable | C．admirable | D．accessible |
– How did Mary react to the bad news?
– Oh, she was filled with sorrow and ______ a sigh.
| A．let out | B．dropped out | C．tried out | D．gave out |
He was about half through his meal ______ a familiar voice came to his ears.
| A．why | B．where | C．when | D．while |