---John is said to have learned Italian in Italy for five years. ---_______ he speaks it like a native speaker.
--Jane, are you and your sister on a diet now? -- Yes, I want to lose some weight, and ______.
There is hard evidence ________ the accident was caused by his careless driving.
If ___________, I will go to her birthday party.
I heard my sister ________ an English song when I passed by her room last night.
--What did our teacher say at yesterday’s meeting? --So you _______ to him carefully then.