This kind of clothing material, ________soft and smooth, sells well.
--- What are you going to do tomorrow?--- I will go _____ with my friends on the lake.
You _____ practise the drums while the baby is sleeping.
After the new equipment was introduced,they produced ________machines this year as the year before.
He is famous both ______ a novelist and a poet but he is more famous ______ his novels.
I won’t call you, ________ something unexpected happens.