Hi,<br/><br/>I'm confused about when to use and which prepositions are correct below. I would appreciate if you could help me, please.<br/><br/>A. You should have at least a knife to <u>survive</u> the jungle.<br/>B. You should have at least a knife to <u>surivive</u> <b>in</b> the jungle.<br/><br/>C. I'll <u>pick</u> you <u>up</u> <b>in</b> the office at 6.<br/>D. I'll <u>pick</u> you <u>up</u> <b>from</b> the office at 6.<br/><br/>1. Which sentences are correct?<br/>2. If in each set, both are acceptable, how are they different in meaning?