“Was his father very strict with him when he was at school?” “Yes. He had never praised him _______ he became one of the top students in his grade.”

Stand over there ___ you’ll be able to see the oil painting better

MrWang said that he ___ next year

It is _______ difficult work that he isn’t able to do it _______.

It is demanded that the plan _____ out as soon as possible.