. Choose the correct variant.
1. Output this month is 2 per cent … than last month.
a) more lower; c)lower;
b) low; d) lowest.

2. The government … to introduce this law to curb unemployment.
a) can; c) have;
b) had; d) must.

3. Albert Einstein … a famous American physicist.
a) were; c) was being;
b) is; d) was.

4. Real facts often … the theory.
a)contradicts; c) were contradicted;
b) contradict; d) have contradicted.

5. When he came, we … the discussion of the lecture on economics.
a) were finishing; c) are finishing;
b) finish; d) finished.