1. The Nile (flow) flow into the Mediterranean Sea.
 2.Writing many letters (make) makes her happy

3 have... painted
4 had ... would lend
5 see
7 friendship
9 bleed
10 lie

1.The Nile (flow)......flows............into Mediterranean
2.Writing many letters (make)........makes........ her happy
3.I (have)...am having........ my house (paint).....painted.... now. That's why there is all this mess
4.If only I ( have ).....had..... money with me, I ( lend )...would lend....... you some
5.They (see)....are seen...... to go out three times a day
6.It was ...foolish.........not to write down the address. ( fool)
7.We're very impressed by the ...friendliness......of your town's people. (friend)
8.Bell experimented with ways of transmitting ......speech.....over a long distance. (speak) 
 9.She cut herself and it's ....BLEEDING.......quite badly. (blood)
10.I don’t know why they call him a ......liar....... (lie)