Question

We must use- must,can’t,could/might .Please help me.

Answer 1

Step-by-step explanation:

1: he might be smiling or being extra energetic

so something like: ... He is being very energetic

2: ... They look like someone at my old school or someone I had seen while shopping the other day.

3: He.. felt sad, because they expected people to show up.

4: i... must have looked away for a second.

5: I'm worried... that my cat bubbles wont come home. or my cat isn't being taken care of.

6: late.. because she/he couldn't find their other shoe this morning

7: minutes... due to the class being to quiet or boring.

8: any money.. because she had gone shopping last weekend with some friends

Answer 2

1. He must be having a good day.

2. I'm sure I might know him from somewhere.

3.He might be very lonely. Poor guy :)

4. I can't stand up right now.

5. I am worried he/she might be hurt.

6. I can't believe this.

7. She must be real tired.

8. My friend might or could end up going broke.

Step-by-step explanation:

Hope this helps. :)