—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.
It remains unknown ________ the peace talk between the two countries is going to lead.
—What's your uncle's opinion about your decision?—He always encourages me to do ________ I think I should.
It is ________ the pupils do in their spare time ________ really prepares them to take their place in society as citizens when they grow up.
His shop was so well managed that he sold in just 5 months ________ his competitor sold in a year.
China's reform and opening has been going on for ________ is like about 30 years now and it's really quite remarkable.