दिए गए अंग्रेजी वाक्य का वह भाग ज्ञात कीजिए जिसमें त्रुटि है। यदि कोई त्रुटि नहीं है, तो 'No error' चुनें। My boss insisted (1)/ on farther improvement (2)/ in the system. (3)/ No error (4)

Identify which part of the sentence has an error: These kind of trousers/ (A) are rather/ (B) expensive to buy./ (C) No error (D)

Find the part of the sentence that has a grammatical error: 'The citizens of the area longed on rain, which is natural when it is so terribly dry year-round.'