The boys were about to go out to play football suddenly it began to rain.
—Would you mind giving your advice on how to improve our business management? —If you make ____ most of the modern equipment, there will be ____ rise in production.
---Have all the mysteries been cleared up? --- Almost. But ______ only one question ______.
I will never forget my stay there I found my lost wallet.
Please tell me the after service of the computer; I’m worried about a breakdown sometime.
—Jack can't concentrate on his lessons recently. —Yes, that might ____ why he did so badly in the last test.