_____the teachers in their school is about 200 and ________ them are women teachers．（ ）
A．A number of，a number of
B．A number of，the number of
C．The number of，a number of
D．The number of，the number of
Three years _______ and we've made so many friends during our junior school．（ ）
A．has passedB．has past
C．have passed
My mother hasn't been back home for 2 years．
_________．You must miss your mother very much．（ ）
A．What a shameB．Me too
C．I don't care
I called you just now，but nobody answered．
Oh，I ______when the bell rang．（ ）
A．am taking a showerB．was taking shower
C．a shower
Is that boy Tony？
It _____ be him．He has gone to Shanghai．（ ）
A．may notB．shouldC．can't
Among these children，Jim has ________life and he lives______．（ ）
A．The most happy；most happily
B．the happiest；most happily
C．the happiest；happiest