If we________a table earlier, we couldn't be standing here in a queue.
He let me repeat his instructions_____ sure that I understood what was _____ after he went away.
— It’s the classroom! So you ______ know eating is not allowed here. — Oh, sorry.
—You don’t look well. Are you ill? —No, the mid-term exam is coming and Ireading until midnight.
Have a good look round the room to make sure you ______ everything.
Tom has formed the habit of jogging_________ the tree-lined avenue for two hours every day.