Complete the 12 sentences below. Choose the best answer for each one.
1The sign says all visitors ............... wear a badge inside the factory.
Wrong!
Use "must" for a strong rule or obligation from the speaker or situation.
2You ............... use your phone in this hospital room; it can affect the machines.
Wrong!
Use "mustn't" when something is not allowed.
3If your headache gets worse, you ............... see a doctor.
Wrong!
Use "should" for advice, especially with a problem like a headache.
4When you finish the test, you ............... leave the room quietly.
Wrong!
Use "may" to give polite permission.
5When Mia was six, she ............... swim across the small pool.
Wrong!
Use "could" for general ability in the past.
6Take an umbrella because it ............... rain later; look at those dark clouds.
Wrong!
Use "might" when something is possible but not certain.
7All the lights are off and no one answers, so they ............... asleep.
Wrong!
Use "must be" when the evidence makes you almost sure.
8It ............... nine o'clock yet; the meeting starts at nine, and the room is still empty.
Wrong!
Use "can't be" when evidence shows something is impossible or not true.
9That bag looks heavy; ............... carry it for you?
Wrong!
Use "Shall I" to make an offer or suggestion about what you can do.
10............... you speak more slowly, please? I didn't catch the address.
Wrong!
Use "Could" for a polite request.
11The tickets are free, so you ............... pay anything.
Wrong!
Use "don't have to" when something is not necessary.
12The traffic is terrible, so we ............... be late for the concert.
Wrong!
Use "will" for a future prediction based on a current situation.
Exercise complete
0 out of 12
correct answers
Answers
- The sign says all visitors must wear a badge inside the factory.
- You mustn’t use your phone in this hospital room; it can affect the machines.
- If your headache gets worse, you should see a doctor.
- When you finish the test, you may leave the room quietly.
- When Mia was six, she could swim across the small pool.
- Take an umbrella because it might rain later; look at those dark clouds.
- All the lights are off and no one answers, so they must be asleep.
- It can’t be nine o’clock yet; the meeting starts at nine, and the room is still empty.
- That bag looks heavy; Shall I carry it for you?
- Could you speak more slowly, please? I didn’t catch the address.
- The tickets are free, so you don’t have to pay anything.
- The traffic is terrible, so we will be late for the concert.