单项选择题
We’ll have to finish the job，（）.
A.difficult it is howeverB.it takes however difficultC.difficult however it isD.however difficult it is
单项选择题 （），he never expressed anything（），even if it was.
单项选择题 It is reported that large amounts of locusts（蝗虫）（）in their activity in the north now.
单项选择题 The order is that all the goods（）to the city on time.
