The doctor finally gave up the ____ of medicine for full - time writing．
| A．days | B．process | C．skills | D．practice |
How long can you ________ your breath underwater?
| A．hold | B．take | C．keep | D．save |
We’re so much looking forward ____________ you again.
| A．to see | B．to seeing | C．at seeing | D．for seeing |
I _________ him for his success in business.
| A．enjoy | B．treat | C．believe | D．admire |
If they do not give us a treat, we can play a trick ________ them.
| A．at | B．on | C．for | D．to |
People hold Dragon-boat races __________ Qu Yuan on the 5th of the fifth lunar month.
| A．remembering | B．liking | C．in memory of | D．in the memory |