So I' m sure that (spend)time on study is worthwhile.
举一反三
- I wish I could tell you where I'll be in six months’ time, but I don't even know. I'm not sure if I will have the same job. I'm not even sure if my girlfriend will be able to stay in this country. Everything is so up in the air.(VOA)
- 10. Next winter, _________ you will spend in Harbin, I’m sure, will be another exciting holiday.
- I will spend more time on English, () it is possible. A: so that B: provided C: just as D: for fear that
- I studied last night, so I’m sure I’ll p... phrase means______.
- I want to help him, _____ I’m not sure I know how. A: but B: because C: so