The Tower of London is _________ the Church tower.
| A．higher twice than | B．two times as higher than |
| C．twice high as | D．three times the height of |
He told me the news ____ the Queen would visit China the next month.
| A．that | B．which | C．when | D．when |
They lost their way in the forest and _____ made matters worse was that night began to fall.
| A．that | B．this | C．what | D．which |
I remember_______ this used to be a quiet village.
| A．how | B．when | C．where | D．what |
He made a promise_______ he would help me.
| A．what | B．when | C．that | D．which |
The problem is_______ he has enough time.
| A．if | B．whether | C．/ | D．that |