anhalanh2001 8/11/2024 11:57:48 PM
I. Put the verbs in brackets into the correct form. 1. If we (recycle) ________ more, we will help the Earth. 2. Factories (not dump) ______ waste into rivers if the governments fine them heavily. 3. If people travel to work by bus, there (be) _______ fewer car fumes. 4. We (save) ______ thousands of trees if we do not waste paper. 5. If we use water carefully, more people (have) __________ fresh water. II. Write the correct of each verb in the brackets to complete the following sentences. 1. We all adored (1.do) ________ aerobics when we were young. 2. 30 years ago, we (2. not have) ____________ mobile phone.