Improve the highlighted part of the sentence given below.
We were $not$ the wiser for all this effort to explain the case to us.

Improve the highlighted part of the sentence given below.
It became clear that the strangers were heading $into$ a serious disaster.

Improve the highlighted part of the sentence given below.
You cannot forbid $him\, leaving.$

Improve the highlighted part of the sentence given below.
Realising the significance of technical education for a developing country,the government $laid\, aside$ a large sum on it during the last plan-period.

Improve the highlighted part of the sentence given below:
The reason $why\, he\, wrote\, the\, letter\, was\, because$ he could not contact him over the phone.

Improve the highlighted part of the sentence given below.
$I$ will not go to school,if $it\, shall\, rain\, tomorrow.$