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1. I am wondering how improving my reading and listening skills in a short time?
A. wonder B. improving C. skills D. short time

3. Could you tell me what to cut down on the amount of electricity we use every day?
A. what B. to cut down C. amount D. we use

4. The electrician came to repair the electrical wires and equipments in our house after a power outage.
A. to repair B. electrical wires C. equipments D. after