_________ is known to us all that the earth is smaller than the sun.
#93423
A
It
B
What
C
As
D
which
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It was the first time ________ I ________ face to face with a thunder storm. 
#93676
A
when / had come
B
that / have come
C
when / came
D
that / had come
All those second-hand goods are sold at        before.
#92449
A
30% as lower price as
B
as 30% low price as
C
30% as low a price as
D
30% lower price than
.Dad always says he prefers _______ outside the shopping centre _____ together with my mother.
#94151
A
waiting; to shop
B
to wait; to shopping
C
waiting; rather than shopping
D
waiting; to shopping