1 and

2 as well as

3 and so

4 but (not)

5 yet (not)

6 (indicates causal relation)

7 (indicates change of state)

8 (indicates contrast)

1 instead

2 on the contrary

3 contrary (to expectations)

1 therefore

2 as a result

3 thus

4 and as a result, ...

1 lit. to drop from the sky (idiom)

2 fig. to appear unexpectedly

3 to arise abruptly

4 out of the blue

5 to drop into one's lap

1 thus

2 thereby

1 to disperse in confusion (idiom)

1 to swarm in (of people etc) (idiom)

1 to be evident at a glance (idiom)

1 to lump different matters together (idiom)

1 to win instant success (idiom)

2 to become an instant hit