Things have changed a lot ____ I wrote to you last time.
| A．when | B．since | C．as | D．before |
He made _____ known to his friends that he didn’t want to enter politics.
| A．that | B．it |
| C．himself | D．him |
Why shouldn’t I buy a new coat — I haven’t bought _____ for five years.
| A．it | B．that |
| C．one | D．which |
Will you see to _______ that my children are taken good care of while I am away?
| A．it | B．me |
| C．yourself | D．them |
“Excuse me, I want to have my watch fixed, but I can’t find a repair shop.” “I know ________ nearby. Come on, I’ll show you.”
| A．one | B．it |
| C．some | D．that |
Someone is at the door. ________ must be Mr Smith.
| A．He | B．It |
| C．This | D．That |