______ it or not ,his discovery has created a stir in scientific circles

_______ it will do us harm or good remains to be seen

It ________ more to live in the city

2So difficult____it to live in a foreign country that I decided to leave

1_____there is no rain,farming is difficult or impossible

It is difficult to get used______in a tent after having soft, comfortable bed to lie on

It is difficult ______a world record and even more difficult to ______it.

It is difficult for her to make the final decision now, __________ she is in adelicate situation.

______ it or not , his discovery has created a stir in scientific circles.

In a planned economy it was often difficult to secure spare parts, ______.

It is generally considered unwise to give a child___( )_____ he or she wants.

—How long does it take us to go to your hometown from here?—It takes us ______ hour or more to go to my hometown by ______ train.