1.You must be acquainted........... all the facts before stating your opinion.
2.When did you last hear from him? (since)
-> How long.............................heard from him?
3.He finds it difficult to address large audiences. (difficulty)
-> He .......... large audiences
4.Would you mind moving over a little? (kind)
-> would you be ..........over a little?
1.You must be acquainted......with..... all the facts before stating your opinion.
2.When did you last hear from him? (since)
-> How long....has it been since you last.........................heard from him?
3.He finds it difficult to address large audiences. (difficulty)
-> He .has difficulty addressing......... large audiences
4.Would you mind moving over a little? (kind)
-> would you be .....kind enough to move.....over a little?