Mum, I’ve been studying English since 8 o’clock. ________ I go out and play with Tom for a while?—No, I’m afraid not. Besides it’s raining outside now.

Only through experiences of trial and suffering _____, and success achieved.

It was because I like you ______ I speakout frankly.

When Nancy was at college, she ____three foreign languages, but I am surprised to find that she ____ allexcept a few words of each.

Measures have been taken to prevent accidents, but much ______ for more improvement