In the year 2010 Yushu earthquake struck on April 14, 2010，_____ came as ___great shock to
all of our Chinese.
| A．That；a | B．which； a | C．what； a | D．which ；不填 |
Their problem today is somewhat similar to _____ they faced many years ago.
| A．that | B．which | C．that which | D．it |
Dorothy was always speaking highly of her role in the play, ____, of course, made the others unhappy.
| A．who | B．which | C．this | D．what |
He made another wonderful discovery, ______ of great importance to science.
| A．which I think is | B．which I think it is |
| C．which I think it | D．I think is |
He’s got himself into a dangerous situation _____ he is likely to lose control over the plane.
| A．where | B．which | C．while | D．why |
I met the teacher in the street yesterday ________ taught me English three years ago.
| A．which | B．when | C．where | D．who |