Please check my homework

1.Do you think this is something _b_ can be learned? a. who b. that c. X (the conjunction can be omitted) 2.Don't go out _c_ you've finished your work. a. as b. while c. until 3.Make sure you close all the windows _b_ it starts to rain. a. after b. before c. for 4.I think I know _a_ he left the job. a. why b. until c. where 5._a_ I had known how much I would disappoint him, I woudn't have done it. a. Whether b. When c. If 6.__ you see me, get in the car. a. As soon as b. While c. Whether 7.My friend John, _b_ lives in California, has a car with a New York license. a. whose b. who c. that 8.It's usually quite simple to cross the border between the USA and Canada _c_ these two countries have friendly relations. a. yet b. and c. because 9._a_ a university professor returns from a sabbatical leave, he should be better qualified. a. Until b. When c. Even though 10.She's _a_ a snobbish person __ nobody likes to be with her. a. such...t

Hello there! Good afternoon and a happy Tuesday to you!^^ How are you feeling right now? Are you having a blast, so far?^^ Anyway, thanks for doing your homework. I really appreciate the time and effort that you put in accomplishing this one.^^ You simply missed some items but I am pretty sure that when you review the corrections, you can perfect the same activity in the future. Take care and see you! _T.Nina^^ 1.Do you think this is something _b_ can be learned?a. whob. thatc. X (the conjunction can be omitted)>>Correct!2.Don\'t go out _c_ you\'ve finished your work.a. asb. whilec. until>>Correct!3.Make sure you close all the windows _b_ it starts to rain.a. afterb. beforec. for>>Correct!4.I think I know _a_ he left the job.a. whyb. untilc. where>>Correct!5._a_ I had known how much I would disappoint him, I woudn\'t have done it.a. Whetherb. Whenc. If>>C. If6.__ you see me, get in the car.a. As soon asb. Whilec. Whether>>A.As soon as7.My friend John, _b_ lives in California, has a car with a New York license.a. whoseb. whoc. that>>Correct!8.It\'s usually quite simple to cross the border between the USA and Canada _c_ these two countries have friendly relations.a. yetb. andc. because>>Correct!9._a_ a university professor returns from a sabbatical leave, he should be better qualified.a. Untilb. Whenc. Even though>>B.When10.She\'s _a_ a snobbish person __ nobody likes to be with her.a. such...t >>Correct!