英语问题 速度至上

unfamiliar
in order to
so that
To catch

is the meaning of
the meaning of

knew nothing

is used to

1.unfamiliar
2.in order to
so that
for catching
3.is the meaning of
the meaning of
4.knew nothing
5.is used to

1:He isn't familiar with Chinese ancient history.
He is _unfamiliar______with Chinese ancient history.
2:He got up early so as to catch the first bus.
He got up early_____in order to___ __________ ______ catch the first bus.
He got up early____so that___ ________ he could catch the early bus.
___to catch_____ ________ the early bus ,he got up early.

3:What does F2F mean?
What__is the meanig of ___ _______ _______ ________F2F
What's __the meaning of_ _______ _______ F2F

4:didn't know anything about e-mail English words
He___is____ __ignorant_____about e-mail English words

5:We use e-mail