The following sentence has been split into four segments. Identify the segment that contains a grammatical error.

It is not worth / having the trouble / to write to him / as he never replies.

1. to write to him

2. as he never replies

3. having the trouble

4. It is not worth

Select the most appropriate meaning of the given idiom.

draw a blank

1. be happy about something

2. be lucky in a game

3. be unsuccessful

4. be unable to sketch

Select the most appropriate idiom or phrase to complete the given sentence.

I failed this semester, but now I am ____.

1. giving a penny for your thoughts

2. going to miss the boat

3. going to bite the bullet

4. back to the drawing board

Select the most appropriate one-word substitution for the given words.

Obsessive desire to lose weight by refusing to eat.

1. Asphyxia

2. Pyrexia

3. Dyslexia

4. Anorexia

Select the option that can be used as a one-word substitute for the given group of words.

Giving the worrying impression that something bad is going to happen.

1. Desolate

2. Suspicious

3. Ominous

4. Bleak