The government has taken some measures to solve the shortage of electricity, but it may be some time ________ we have enough power.
After five hours’ drive, they reached ____ they thought was the place they had been dreaming of.
You must have read about Mark Twain long ago, ____?
--- We need three single rooms for the first week in June. --- ____. The hotel’s not busy then.
Kate, run a bit faster, ____ you can catch up with all of your classmates.
This language training programme ____ teenagers who want to go abroad to study.