His eyes shone brightly when he finally received the magazine he ______.
A. had long been expected
B. had long expected
C. has long expected
D. was long expected
28（）
A. came into being
B. came into use
C. began using
D. started to publish
He'll be an astronaut by the time he ______ thirty.
A. is
B. had been
C. will he
D. is going to be
The native language is a person's（）language.
A. first
B. only
C. one
D. foreign
微信支付 
支付宝支付