I bought a robot _______ have more free time.
#43352
A
because
B
therefore
C
in order to
D
as a result
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I want to send Mary a card. She may ________ it in a few days ________ post. 
#40602
A
receive; for
B
receives; with
C
receive; by
D
receives; to
—_______ can I keep the books?—Two weeks.
#42530
A
How long
B
How often
C
How far
D
How soon
The old man should be treated with         .
#43174
A
kind
B
kindness
C
kindly
D
kinder