2BATX Conditionals ex.2

Choose the right sentence.

1. Will putting food in the freezer make it safe to eat? NO

........................................................................................................

Unfortunately, some bacteria survive freezing.

• If freezing food killed bacteria, this would make it safe.

• If freezing food kills bacteria, this makes it safe.

Choose the right sentence.

2. I made a salad with the same knife that I had used to cut raw meat. Should I have thrown the salad away? YES

Raw meat contains bacteria.

........................................................................................................

• If you changed knives, your salad would be safe to eat.

• If you had changed knives, your salad would have been safe to eat.

Choose the right sentence.

3. Must I wash a melon before cutting it? YES

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• The knife might carry bacteria from the outside to the inside if you don't wash it.

• The knife might have carried bacteria from the outside to the inside if you hadn't washed it.

Fill the first gap:

4. I've fried my hamburger till it's brown in the middle. Does that mean it's cooked? NO

You ............... (not know) it’s cooked unless you .................. (use) a meat thermometer.

That .................... (tell) you if the inside ................... (be) hot enough.

Fill the first gap:

4. I've fried my hamburger till it's brown in the middle. Does that mean it's cooked? NO

You won't know it’s cooked unless you .................. (use) a meat thermometer.

That .................... (tell) you if the inside ................... (be) hot enough.

Fill the first gap:

4. I've fried my hamburger till it's brown in the middle. Does that mean it's cooked? NO

You won't know it’s cooked unless you use a meat thermometer.

That .................... (tell) you if the inside ................... (be) hot enough.

Fill the gap:

4. I've fried my hamburger till it's brown in the middle. Does that mean it's cooked? NO

You won't know it’s cooked unless you use a meat thermometer.

That will tell you if the inside ................... (be) hot enough.

Fill the first gap:

5. I've opened a tin of tuna. Can I keep it till its expiry date? NO

As soon as you ............ (open) it, the expiry date ......................... (be) no longer relevant.

You can keep it in the fridge for up to two days.

Fill the gap:

5. I've opened a tin of tuna. Can I keep it till its expiry date? NO

As soon as you open it, the expiry date ......................... (be) no longer relevant.

You can keep it in the fridge for up to two days.