In some countries, demand for graduates from MBA courses has ____

The weather turned out to be fine yesterday. Ithe trouble to carry my umbrella with me.

I am really surprised that a policeman in his car _____ have hit several common pedestrians, killing one and injuring three.— Yes, If one _____ ask for trouble, what can we say?[ ]

I have ________ homework to do in the evening.

Nowadays the belief has become common ______ sea food and fruit rich in vitamin C should never be eaten at the same meal