—What has made John look like lacking sleep?—________ he had to prepare for the coming exam and stayed up last night.
A tree was planted along the road ___________. (Choose the one that is NOT proper for the blank)
–I think he is taking an active part in social work. - I agree with you ______________.
Mr Han, my neighbour, is always helping those who are in trouble without expecting anything _________.
Many young people left their hometown for big cities______________ better jobs.
Henry escaped __________ by admitting his mistake.