焊缝轴线与试样纵面垂直时的弯曲是（）
A.面弯
B.根弯
C.侧弯
参考答案：C
– Can you ______Chinese, Tony?
_ Yes ,but to _____ the truth, I could hardly ______ a word when I _____ in front of the whole school yesterday.
A．speak; tell; say; spoke
B．say; talk; speak; talked
C．say; tell; speak; talked
D．speak; tell; talk; spoke
