correct
mona agreed to buy the toy beccause it was too expensive

although/however

الاجابه الصحيحه هي ؛ although

although-though-even thoughياعم الحاج عنتر

although_even though_

Although - though

although لانها تربط جملتين
اما how ever لا لانها يجب ان يسبقها نقطة و بعدها كوما

although-even though-though
not how ever
as although must be followed with true sentence(unchangeable)

although is the right word

الاجابه الصحيحه هي ؛ although

although - even though- even if -though اما however ياتى ورائها نتيجة غير متوقعة