If you keep on , you’ll succeed _____

I wonder how to _____ to him when I get a present from my foreign friend Jack. — Of course say “Thank you”. [ ]

to make a speech, he said he would be glad to

It was not long _____ he was bornthat his mother died of illness.

What do you think of the book written by Mo Yan— Oh, excellent. It is worth ___________ a second time.