I have to delay (answer) ______ the letter.
举一反三
- I have to delay（）the letter. A: to answer B: answering C: answer D: answered
- It is____ to write a sentence “I have found out the answer to this question.” In a formal letter.
- I must answer the letter, ?
- I was ____ (please) to have received your letter.
- I hoped ______ my letter. A: her to answer B: that she would answer C: that she answers D: her answering