Complete the sentences using suitable clauses/phrases. (a) Agriculture is the backbone of Bangladesh's economy. So, farmers should work hard lest ——-. (b) Without modern technology, agricultural production in Bangladesh ——-. (c) The development of a country depends on agricultural progress. It is high time——- - . (d) My grandfather was a farmer who ——-. (e) Climate change is a serious threat to agriculture. But many farmers act as if ——一. (f) They lack proper knowledge of advanced farming techniques. So, they cannot help ——-. (g) If the agricultural experts do not provide proper suggestions ——-. (h) The farmers cannot harvest their crops on time. The flood is too severe ——-. (i) Since there was no irrigation system available earlier, the farmers ——-. (j) The role of agriculture in food security is undeniable. It is a positive sign that nowadays ——-