________ (assume) that we can't get the necessary equipment, we will have to give up the experiment.
—Was the driving pleasant when you went to Mexico last summer?
—No, it ________ (rain) for four days when we arrived, so the roads were very muddy.
A project ________ great significance is to be discussed, which will help to improve the local people's living conditions.
The escaped prisoner got ________ (arrest) immediately he turned up at the railway station and was sent to prison again.
—What's your feeling now?
—I am terribly sorry. If only I ________(come) here yesterday!
________(regard) of what they say about me, I'm going to continue my work.
