Do you master all?

A diet high in cholesterol is bad for .... heart.

• a

• the

• ...

She focused on .... role of .... family in a child's education.

• a/a

• the/the

• the/...

More than 20% of the .... is unemployed.

• workforce

• work force

The rate of union membership rose to 26.2%, ...... 25,8% last year.

• compared to

• comparing to

Which is correct?

• Germany spent 1.5% of GDP on defence. The US, in contrast, spent 3.2%.

• Germany spent 1.5% of GDP on defence. On the contrary, the US spent 3.2%.

Which is correct?

• In Britain only 9% of over sixties live with their families, in contrast to 29% in Japan.

• In Britain only 9% of over sixties live with their families. On the contrary, there is 29% in Japan.

Water doesn't shrink when it turns into ice, but, ......., it expands.

• on the contrary

• in contrast

She saw the ambulance coming up behind her and pulled .......

• over

• in

• out

• down

The police officer pulled him ..... for changing lanes without signaling.

• over

• in

• out

• down

After a while her voice really started to grate on me.

What does "grate on" mean?

• annoy

• excite

• bore

• attract