---Tom, keep your_____ on your studies.
--- Sure, mum. I'll keep that in_____.
| A．mind;mind | B．heart;head | C．brain; mind | D．heart;brain |
The expert’s theory, _____ my opinions were based, proved right in the end.
| A．on which | B．whom | C．for which | D．that |
______ difficulties we may face in our life, we should keep calm and take measures to get them over.
| A．Whenever | B．Whatever | C．Whichever | D．However |
This kind of tree is widely ______ in our country.
| A．divided | B．constructed | C．distributed | D．separated |
You will have to answer_____ your crimes one day.
| A．to | B．for | C．from | D．against |
He never gave up his dream and ______ achieved his goal.
| A．personally | B．sincerely | C．eventually | D．originally |