Why are you so happy?
----______my mother buys a new bike for me.
A. So B. Because C. But
It has been two years since my brother ________ the army.
A. joined in B. took part in C. joined
He ________ how to control the machine. So he asked Tom for help.
A. knew much B. had no idea C. had fun
Last Sunday, I got A+ in the math exam. My mother ________ what I did.
A. was angry with
B. was happy with
C. was interested in
Tom caught the thief by himself. He is so ________ that all of us are proud of him.
A. funny B. beautiful C. Brave
The about something is all about its facts.
A. discovery B. appearance C. truth