It is generous ______ you to help me so much.— My pleasure. A friend in need is a friend indeed.

The door．Something has gone wrong with it．

While in London, we paid a visit to the hospital founded ______ the nurse Florence Nightingale

We had to be patient because it ______ some time ______ we got the full results

an’t concentrate on his lessons recently.—-Yes, that might _____ his low score in the lasttest.