It was 4 o’clock when the front doorbell rangMrsClarke was __________ tea at the time

What can I do for you, sir —It’s so hot now. Could you give me _______

We don’t have enough nurses to look after the patients.At least______ are needed.

This pair of jeans looks nice_____ Sandybecause she looks very nice_____ blue.

Jack is shy. I wonder if he _____ to give a speech in front of the whole class.