How heavy is this box？（英译中)

This box is too heavy, ________ give me a hand？

This box is too heavy, ________ give me a hand？

This box is___ that one.A、heavier asB、heavy thanC、as heavy as

Her grief is a heavy load to bear.（英译中)

This box is ______ heavy for this child to carry.A、tooB、muchC、moreD、many

This box is（)that one.A. heavy thanB. as heavy asC. heavier as