Fill in the blanks.
1Please pay the bill ............... the end of the month.
Wrong!
Use "by" to mean no later than a particular time.
2............... often do you visit your parents?
Wrong!
Use "How" with "often" to ask about frequency.
3It is hard to be an office manager without ............... officious.
Wrong!
After "without", use the gerund "being".
4............... I accept his offer of help?
Wrong!
Use "Shall" in this first-person question to ask for advice or a decision.
5............... you can borrow an ax from the neighbors.
Wrong!
Use the adverb "Maybe" at the beginning of a sentence to mean perhaps.
6The circus ............... town this morning.
Wrong!
Use the simple past form "left" for this finished past action.
7The boy ............... school in the middle of the year.
Wrong!
Use "left" for a completed action at a definite time in the past.
8Leash the dog ............... you are going to the beach.
Wrong!
Use "if" to introduce the condition for leashing the dog.
9He was quite ............... about current events.
Wrong!
Use "knowledgeable" to mean well informed about a subject.
10It is a known fact that he ............... once a millionaire.
Wrong!
Use "was" to refer to his past state as a millionaire.
11Industrial waste must be prevented ............... our rivers.
Wrong!
After "prevented", use "from polluting" to show what is stopped.
12It does no harm to be ............... new acquaintances.
Wrong!
Use "wary of" to mean careful or cautious about someone or something.
Done.
Score: 0/12
Answers
- Please pay the bill by the end of the month.
- How often do you visit your parents?
- It is hard to be an office manager without being officious.
- Shall I accept his offer of help?
- Maybe you can borrow an ax from the neighbors.
- The circus left town this morning.
- The boy left school in the middle of the year.
- Leash the dog if you are going to the beach.
- He was quite knowledgeable about current events.
- It is a known fact that he was once a millionaire.
- Industrial waste must be prevented from polluting our rivers.
- It does no harm to be wary of new acquaintances.

