1 . The earthquake in Japan, measuring 9.0 on the Richter Scale, was so violent _______ cause a series of explosions of the nuclear reactors in several power stations.

A．to

B．that

C．as to

D．as that

2 . Lucy had to shout ________on the noisy street.

A．making herself hear	B．to make herself hear
C．making herself heard	D．to make herself heard