1 . The teacher is much kinder to Tom , _____, certainly, makes the others very angry.

A．who

B．which

C．that

D．what

2 . ________, as long as I’m with nature, I don’t care．

A．However tough the voyage is	B．Whatever tough the journey is
C．However the voyage is tough	D．Whatever the journey is tough

3 . So suddenly ________that the animals in the zoo looked very frightened during the total solar eclipse (日全食)．

A．did the sky turn dark	B．the sky did turn dark
C．turned the sky dark	D．was the sky turned dark