What you said just now has ______ the matter we are discussing. Let’s come to the point.

—What do you think of Tom? —He has been working very hard. ______ he is an advanced worker. 

Based on some lawyers’ ideas, the more severe the punishment, ___________.

There is no doubt _____ we will succeed if we try our best.

Such good use has been____ his spare time_____ his English has improved a lot.