Complete the sentences. Use the Present Continuous or the Present Perfect Continuous tense forms: 1. Mike is at his training practice now. He (improve) his jumping techniques. He (improve) it since his last failure.
2. Now we’re in the gym. We (warm up) . We (warm up) for 20 minutes.
3. It’s early morning. I (swim) in the swimming-pool. I (swim) since 6 o’clock.
4. A: You look busy now. What (you, do) ?
B: I (work) on my experiment. It’s a long and difficult experiment.
A: How long (you, work) on it?
B: I started planning it last January. I (work) on it since then.
5.Robert is going to his training camp. He (wait) for the bus. He (wait) for the bus for 20 minutes.
6.The boys (play) soccer right now. They (play) for almost two hours.
7. – Oh, Mike, is the Dean in?
– Yes, he is. He is in the office and he (wait) for you.
– Oh, what time did he come?
– He came at twenty to ten.
– Twenty to ten! So he (wait) for twenty minutes. I’m in trouble.
8. – Mike, what (you, watch) ?
– Olympic up-date.
– How long (you, watch) ?
– Well, let’s see. I (watch) since nine o’clock.
– So you (not watch) long. It’s only ten past nine.
9. – You look so slim, Jane. Do you keep to a special diet?
– No, I (go) to a fitness club since the time I saw you last.