43.I usually read newspapers while I(wait)...................for the bus.
44.The sky is very dark.I think it (rain)....................
45.I(not invite).......................Recharch yet.
46.Before I (go).............to live in spain,I (think)..............it was the hot country.
47.We should go home.It(get)..................darker and darker.
48.”I (try)..............to get hold of you for ten minutes.Where have you been?”
49.My brother usually (go).................to work early to avoid traffic jams.
50.I(not eat) ..............................anything for 2 days.
43.I usually read newspapers while I(wait).....waiting...for the bus.
44.The sky is very dark.I think it (rain).....will rain.......
45.I(not invite).....haven't invited..Recharch yet.
46.Before I (go).went..to live in spain,I (think)..had thought....it was the hot country.
47.We should go home.It(get)..is getting.....darker and darker.
48.”I (try)...have tried...to get hold of you for ten minutes.Where have you been?”
49.My brother usually (go)......goes.....to work early to avoid traffic jams.
50.I(not eat) .....haven't eaten...anything for 2 days.
47.is getting 48.have tried 49.goes 50.haven't eaten