It was quite a long time ________ I made it out what had happened.
| A．after | B．before | C．when | D．since |
_______ was known to them all that William had broken his promise ______ he would give each of them a gift.
| A．As; Which | B．What; that | C．It; that | D．It; which |
---- “Look at that lady on the stage. She’s already forty.”
--- -“You are joking. She doesn’t look ________.”
| A．so | B．it | C．that | D．this |
Why don’t you bring ______ to his attention that you are too busy to do it?
| A．this | B．what | C．that | D．it |
They live on a busy main road. ______ must be very noisy.
| A．There | B．It | C．That | D．They |
They are good friends. _______ is no wonder that they know each other so well.
| A．This | B．That | C．There | D．It |