1. (1)Tom got the first place, ______ made his parents happy.
(2)Tom got first place, and _______ made his parents happy.
A. as B. which C. that D. this
2.(1)_______ is well known to all, the earth is round.
(2)_______ is well known to all that the earth is round.
A. That B. with C. It D. As
