[ Grammar and vocabulary ]
tiring and involving a lot of effort
______ journey/task
A. arduous
B. gruelling
C. strenuous
D. bedraggled
Select your answer:

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Comparisions › View___________ electricity you use, __________ your bill is.
A. The more – the higher
B. The more – the more higher
C. The much more – the more higher
D. The more – the high
Idioms › View
This spray will keep ___ the bugs.
a. away
b. off
c. on
