It was in the small house was destroyed by the flood he spent his childhood.
| A．which; that | B．that; where | C．which; which | D．that; which |
When _______cruel man was hurting the children, there were no adults around who were able to stop______hurting.
| A．the, the | B．the, 不填 | C．a,不填 | D．a, a |
Helen devoted herself _______ to her research and became a top scientist in the field of applied physics.
| A．seriously | B．extremely | C．entirely | D．strictly |
Vitamin D helps our bodies make a special chemical，and this special chemical，
__________，affects our brains，making us feel happy.
| A．in turn | B．in particular | C．in advance | D．in short |
. Everyone must have known the death of the waitress，________?
| A．must they | B．mustn't they | C．haven't they | D．have they |
----Tony is such a selfish person.
----I agree. Never again _________ with him.
| A．1 will deal | B．I do deal | C．will I deal | D．do I deal |