too&enough, zero & first conditional, although

If you add more sugar in the tea, it tastes sweeter.

• zero conditional

• first conditional

• none of the above

If you do not drink any water the whole morning, you may feel thirsty.

• zero conditional

• first conditional

• none of the above

We use the zero conditional to talk about something that is _____________.

• usually true

• always true

• occasionally true

• usually wrong

When we talk about future events that _____________, we use the first conditional.

• are impossible to appear

• are likely to happen

• may not happen in the future

• will happen in our school

If Sam is free at that time, he may join us.

• zero conditional

• first conditional

• none of the above

If they ____________ (not get) a compass, they may not be able to find the way out.

If the boys do a lot of exercise, ____ will become stronger.

If she does not call back before noon, ________________.

• her mother will be angry

• her mother was angry

• her mother is being angry

If you mix the blue paint and the red paint together, _____________.

• it will become purple

• it becomes purple

• it has became purple

The tea is __________ now. Let's drink it a moment later.

• too small

• small enough

• too hot

• hot enough