We’ll climb the mountain _______ the weather is bad this weekend.
#55892
A
if
B
when
C
until
D
unless
推荐题目
While she _____ TV, someone _______ at the door.
#55631
A
watch, knocked
B
was watching, knocked
C
watching, knocking
D
was watching, is knocking
     he is ill,       he goes to school.
#56207
A
Although ; but
B
/,/
C
Although ;/
D
But; although
Do you have _____ brothers ______ sisters? 
#58426
A
some , or
B
any , or
C
any , and
D
some , and