在艰难的时刻
A. in trying moments
B. in tired times
C. in tried moments
被怀疑和不确定所困扰
A. be bothered by doubts and uncertainties
B. be bothered by douted and uncertain
C. be bother by doubts and uncertainties
把它称作自信
A. call it self-confident
B. call it self-confidence
C. call it self- confidently
In order to use language clearly, you should ________.
A. use familiar words
B. choose concrete words
C. elimiate clutter
D. All the above
微信支付 
支付宝支付