They missed the school bus, _____ they were late for class.
#55168
A
or
B
but
C
because
D
so
推荐题目
www.yyxzylearnenglish.net is a website______ is helpful to English learners.
#55175
A
what
B
that
C
where
D
who
While she _____ TV, someone _______ at the door.
#55631
A
watch, knocked
B
was watching, knocked
C
watching, knocking
D
was watching, is knocking
Learning to write is learning to think. You don’t know things clearly _________ you can writethem down.
#55292
A
unless
B
if
C
since
D
whether