Open the brackets.
1)she (know) Mr.Smith for 5 years.
2)my granny (make)pancakes since morning and already (make) 50 pancakes.
3)if people (solve)ennvironmental problems , they (survive )
4)my friend always (want)to visit France.
5)...you ever (be)to Moscow? No,I (not to visit) this city yet.
6)my mother (have) her telephone for a year.
7)it (rain)since morning and the rain (not to stop)yet .
8)if we (stop) nuclear tests ,life on our planet (be) more safe
9)my sister always (want)to become a singer.
10)...you ever (see)this film? no,i (not to see)it yet.