初中英语语法单项选择1.More peoper came _____ I expected.A.as ; if B.so

初中英语语法单项选择
1.More peoper came _____ I expected.
A.as ; if B.so that C.since D.than
2.They will be thankful for ________you have done.
A.what B.that c.which D.who
3.We'll go to visit the Great Wall _______ it rains tomorrow.
A.since B.as soon as C.when D.unless