My father walks dog after supper every day.
A a; the B /; / C the; the D the; /
Tom’s mother always told him not to smoke again, but _____ didn’t help.
| A．he | B．it |
| C．which | D．as |
Meeting my uncle after all these years was an unforgettable moment, _____ I will always treasure.
| A．that | B．one |
| C．it | D．what |
She wants a Mexican carpet, but she can’t afford to buy ______.
| A．one | B．it |
| C．them | D．the one |
Why don’t we take a little break?” “Didn’t we just have _____?”
| A．it | B．that |
| C．one | D．this |
He is a hard-working student, _____ who will be successful in whatever career he chooses.
| A．that | B．he |
| C．one | D．which |