Câu IV. Viết dạng đúng của động từ trong ngoặc để hoàn chỉnh các câu sau: 1. If we pollute the water, we (not have) ____________ fresh water to use. 2. I was terribly disappointed ____________ (discover) that he had lied to me. 3. She ____________ (look) for a job for ages but she hasn’t been able to find one. 4. Who you (talk) ___________ to when I came to meet you yesterday?

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