Ya, at least two handed tie, instrument tie and simple interrupted, comfortably laying down a one handed tie and knowing corner stitch will make you look boss.
Be aware, I'm going to use this as an opportunity to rant. My recommendation as someone who has supervised med students closing lacs, do all of this: get them numbed and clean off ALL the dried blood from everywhere, and then once the wound is clean and exposed give the senior a call or grab them and ask them if they want to take a look at the wound. I always like to visualize how deep a wound is after it's cleaned and before the med student sutures, then they'll give you the go ahead to lay down some stitches. I usually watch them throw one or two sutures including complex ones like corner or mattress, and if they seem confident and are doing a nice job I'll step out and do other things. If you do these things, your senior resident will like you and you will get a good evaluation on at least your lac closing skills.
I get irritated when I give a med student a lac and then 10 minutes later they call me, and I go in the room, the patient isn't anesthetized, and the suture kit is closed, there's no suture in the room, the patient isn't washed out, or they're sort of washed out but there's still dried blood everywhere and you have no idea the actual extent of the lacerations. This makes more work for me and makes me want to never give you another procedure. I would say proper numbing and cleaning of a wound is more important to me than actual skill throwing sutures. I'm happy to sit in there with you and help you learn how to throw stitches if you haven't done it before, but please put some effort into preparing the patient, this takes no skill.
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