Exercise 1. Complete the sentences using the words listed in the box below. Don't forget to capitalize when necessary. Some gaps may have more than one correct answer.
can could have to must might should
1. Ted's flight from Amsterdam took more than 11 hours. He ………be exhausted after such a long flight. He …………prefer to stay in tonight and get some rest.
2. If you want to get a better feeling for how the city is laid out, you …………walk downtown and explore the waterfront.
3. Hiking the trail to the peak ………..be dangerous if you are not well prepared for dramatic weather changes. You ………….research the route a little more before you attempt the ascent.
4. Dave: ………….you hold your breath for more than a minute? Nathan: No, I can't.
5. I ………….speak Arabic fluently when I was a child and we lived in Egypt. But after we moved back to Canada, I had very little exposure to the language and forgot almost everything I knew as a child. Now, I………….. just say a few things in the language.
6. Leo: Where is the spatula? It ………….be in this drawer but it's not here.
Nancy: I just did a load of dishes last night and they're still in the dish washer. It ………..be in there. That's the only other place it ……………be.
7. You …………. take your umbrella along with you today. The weatherman on the news said there's a storm north of here and it ………….. rain later on this afternoon.
8. …………we pull over at the next rest stop? I really …………… use the bathroom and I don't know if I …………. hold it until we get to Chicago.
9. Ned: ……… I borrow your lighter for a minute?
Stephen: Sure, no problem. Actually, you ……… keep it if you want to. I've given up smoking.
10. Do you ……….. chew with your mouth open like that? Geez, it's making me sick watching you eat that piece of pizza.
11. Mrs. Scarlett's body was found in the lounge just moments ago, and it's still warm! Nobody has left the mansion this evening, so the killer …. be someone in this room. It …….be any one of us.