You may your teachers for help when you have problems.
-- I'd like to invite you to a party tomorrow evening.-- Thank you, but ______ I'll be free I'm uncertain.
Please remind ______ he said he was coming. I may be in time to meet him.
Adam left word with my wife ______ he would call again in the afternoon.
. -- Do you think Allan came by taxi?-- No. If he had, I don't believe he ______ his bike here.
The road becomes so crowded during rush hours, ______ it becomes a very slow route.