open the brackets to make the sentences complete
1By half past eight (not. have) supper yet
2The birds (fly) away before winter comes
3 In five years time we (finish) school
4By this time next week Jack (take) his exam
5 I hope it (stop) raining before we have to go
6 I dont think my parents (buy) a computer by the end of the week
7 George (not .memorize) all the idioms by Friday
8 the Rogers (finish) building their new cottage before summer
9 The party (not .start) before we get there
10He (not.come) back by supper time