肠痈初期最典型的症状是（）
A.腹痛
B.腹泻
C.发热
D.便秘
E.呕吐
参考答案：A
Dad decided to build a small tool room with a lock, ______ he would keep his best tools so my brother couldn’t reach them.
A．that
B．which
C．what
D．where
