脑卒中患者言语障碍的发生率为（）。
A.40%～50%
B.20%～30%
C.50%～60%
D.10%～20%
E.30%～40%
参考答案：A
We like to have _____________ together. [ ]
A. fun
B. a fun
C. funny
D. funs
The driver could have survived, but he ____ the seat belt.
A．had been fastening
B．hadn’t fastened
C．was fastening
D．didn’t fasten
