Homework

Q1 - Everyone is agreed that we need to improve the environment, however there is less agreement on the ways to achieve this.

although
however
>> although
Q2 - All great powers eventually collapse and lose influence.

and
but
>> Correct
Q3 - If we want to avoid another similar tragedy, then we should take measures now.

since
then
>>Correct
Q4 - If it had a scientific basis, we would have the evidence by now.

If
Unless
>>Correct
Q5 - Just because there is a problem with one theory, it doesn\'t mean that the other theory is right.

as
because
>> because

Q6 - My ideas haven\'t changed, because more people think the same way today than before.

but
because
>> but
Q7 - He was late and apologised.

and
then
since
>> Correct
Q8 - I did it while I was off work.

during
while
upon
>> Correct
Q9 - She greeted me like an old friend, though we hardly knew each other.

because
since
though
>>Correct
Q10 - You should try to get home soon however we have to get up early tomorrow.

although
as
however

>> as