一I'm afraid I have to leave now, for you see, he is waiting for me. ----Well, if you_ , at least wait till the heavy rain stops.
"Will you be able to finish the job this week?" " ___ ."
She was just about to explain ___ she hadn't passed her maths test chiefly out of carelessness ___ her uncle came.
--Shall we meet right now? --Sorry. I’m too busy to _______ for the moment.
They couldn’t eat in a restaurant because ______ of them had _______ money on them.
Look! There are lots of ________ birds flying over the trees.