We need to make sure / sense that the food is properly cooked.
sure
I don’t know how Martha copes ________ so much homework.
with
By the time my dad gets / will get home, we’ll all be in bed.
gets
The number of British people choosing not to eat meat has been increasing / gaining in recent years.
increasing
You should try to sum ________ your argument more clearly.
up
We need to get up early so you could / ought to go to bed soon
ought to
Some countries don’t have enough water and they have to import / export it from abroad.
import
Hans is starting to fall ________ at school because he’s missed a lot of classes.
behind
That’s the woman ________ children go to our school.
whose
I like to do / make my bit for the environment so I recycle as much as possible.
do
Helen has learnt the words to this song ________ heart.
by
Children giving / given too many sweets are likely to have problems with their teeth.
given
It’s important for consumers / users to think carefully about the things they buy
consumers
Do you mind if I go to my room? I really need to revise ________ my exam
Kristen shouldn’t have laughed / shouldn’t laugh at Dan’s new earring. It was really mean of her.
shouldn't have laughed