Mills' is open late, so I went there.

[Mudaiah]

English Grammar Tests, Elementary Level

ESL/EFL Test #233 "Various Conjunctions (1)", question 10

Mills' drug store is open late, ......... I went to that one last night.

(a) while
(b) if
(c) so
(d) or

English Grammar Tests, Elementary Level

ESL/EFL Test #233 "Various Conjunctions (1)", answer 10

Mills' drug store is open late, so I went to that one last night.

Correct answer: (c) so

Your answer was: incorrect
Mills' drug store is open late, while I went to that one last night.
_________________________

i don't understand why it should be 'so'?
what's the meaning of the sentence?

Liez

[Mister Micawber]

Mills' drug store is open late, so I went to that one last night.

So = therefore. The speaker needed a late-night drugstore, and Mills' was open late. Therefore, the speaker went to Mills'.
_________________
Native English teacher at Mister Micawber's

[Mudaiah]

oh, i see..thanks for your explanation
why the word 'is' was put in the first phrase?what does it mean?
(correct me if i'm wrong in typing)^^

[Mister Micawber]

In the first clause, 'is' is the verb. 'Open' is an adjective.
_________________
Native English teacher at Mister Micawber's

[Mudaiah]

ok..
thank you so much, sir..^^