If they have problems in their study 还是 with their study

if you have any problem中文是什么 If they were here tomorrow,the problem (solve)___ 猜谜：I work with people and help them if they have a problem.For my work I only need to look intheir mouth! They have not settled the problem of ____ it is necessary for her to take part in “Super girl”.A.If B.whether C.what D.how if you have any problem.为什么不用problems but if u dont then we have problem If you have a problem with that.Then its okay The (a ) where they live have many problem with pollution. They have not found the solution of the problem.改错 have problem if it mathes what they have Concentrate on,at present,stay up,learn form,have an opportunity,be good for,the other day1.swimming________your health2._______teenagers have strong personalities.they need freedom and independence3.You will solve the problem if you________more_____ they live as a family if they have babies 等于 they ------------------ if they have babie同义句转换 If you have no problem这句是不是have代表完成时态 改错The problem is if they can provide us with enough food and water . they discussed____they could settle the problem without others' help.为什么填whether 不能是if 呢? ---They have discussed the problem for hours .---have they come to any____ 为何是conclusion 而不能填result They-they have a liking problem with you.In that,um,they don't.这句话怎么理解?