You shouldn’t drive        fast.It’s dangerous.

I’ve got ＿＿＿＿＿＿work to do on a ＿＿＿＿＿＿＿＿ cold day. 

It is commonly assumed that the growth of GDP and the development of people’s living conditions are not _______cause and effect.

-- Did you get your car from the garage yesterday?-- Yes, _______, I wouldn’t have driven to the party on time.

When asked why he prefers bikes to buses, the professor said,  “Riding a bicycle takes __________ half an hour, but it’s more convenient and environmentally friendly. ”