Can you believe that in ____ a rich country there should be ____ many poor people? [ ]

I’m thinking of losing weight these days. — Oh, you _______ be mad. You’re only 45 kilograms at the most.

I thought he would offer to pick me up. _______, he even refused me when I asked him to do so.

If you don’t pay your gas bill , the gas will soon be _______.

With the loss of labor，the old farmers ________at home had to choose less labor-intensive crops