______ difficulties we may face in our life, we should keep calm and take measures to get them over.
#68026
A
Whenever
B
Whatever
C
Whichever
D
However
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If I          free next Sunday, I         to the farm with you.
#41168
A
will be, will go
B
am, will go
C
am, go
D
will be, go
This is a very interesting book. I’ll buy it, _____. 
#66883
A
how much may it cost
B
no matter how it may cost
C
however much it may cost
D
whatever may it cost