Trả lời: 1. l was skateboarding when I fell over.2. We were having a barbeque when the fireworks started.3. I was still in bed when the phone rang.4. I was jogging when I saw the famous movie star!5. I was going home when the snow started.6. I finished the...
Trả lời: 1. I was riding (ride) my skateboard when I broke (break) my arm.2. My brother was jogging (jog) in the park when the storm started (start)3. My parents were walking (walk) on the beach when they saw (see) a dolphin in the ocean.4.She...
Trả lời: 1. Deep sea coral can five up to __ meters below the surface.a. 2000b. 4000c. 8.0002. Tropical coral goows __ deep sea coral.a. slower thanb. at the same rate asc. faster than3. Scherists first visited deep sea conal in the late.a. 1950sb. 1970sc. 19084. It's Important far scientists to continue...