He is very glad and keeps smiling,____he has already known the good news.
#36757
A
as if
B
even though
C
even if
D
so that
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I have two sisters, but ____ of them is a teacher.
#36221
A
all
B
neither
C
both
D
none
I don’t know when he_____________; when he__________, I’ll tell you. 
#39636
A
come; will come
B
will come; comes
C
comes; will come
D
will come; comes
It _______ me 20 minutes _______ to the park.
#43308
A
spends ; to walk
B
spends ; walking
C
takes ; to walk
D
takes ; walking