سلام لطفاً اینو حل کنید ادامه شم میفرستم

سوال a 4__1__5__2 سوال B 1 are exchanging 2 is standing 3 am working 4 are searching ساختار جملات کامل کننده+ فعل ing دار + فعل tobe+فاعل سوال c 1.He is filling out the form 2.They are traveling by train سوال D 1.The tourist is filling out a reservation form 2. Is your brother checking the map?