三道英语题如下：（ ）Michael is depressed by the ______ of the math te

三道英语题如下：
（ ）Michael is depressed by the ______ of the math test and looks quiet upset today.
A.fact B.result C.trouble D.luck
2.词性转换
Nothing could be more ______ than forgetting what to say in an English speech contest.（fortune）
3.时态
Barbara is a good teacher.She always ______ （try） ______ （explain） everything clearly and patiently.