[ Vocabulary ]
difficulty; intricacy
A. hunch
B. clue
C. complexity
D. detective

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Grammar and Vocabulary › ViewIt is on the bed – you can put your head on it.
A. a towel
B. a lamp
C. a pillow
Vocabulary › View
Are you _______ to speak in front of many people ?
A. confident
B. confidence
C. relaxed
D. satisfy
Pronouns › ViewWe are going to the park, do you want to join _____ ?
A. me
B. we
C. us
D. them
Grammar › View
The children ___ the song loudly.
A. sing
B. sang