have to or had to

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hoangkha

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Joined
Oct 4, 2011
Member Type
Student or Learner
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Vietnamese
Home Country
Vietnam
Current Location
Vietnam
Hi, teacher!
I have seen this sentence.
They wanted to know why they _____________ it for her while she could do it by herself.

A. did
B. should do
C. have done
D. have to do
The key is D, but I think it should be HAD TO instead of HAVE TO. Is it right, please?
 

bhaisahab

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Staff member
Joined
Apr 12, 2008
Member Type
Retired English Teacher
Native Language
British English
Home Country
England
Current Location
Ireland
Hi, teacher!
I have seen this sentence.
They wanted to know why they _____________ it for her while she could do it by herself.

A. did
B. should do
C. have done
D. have to do
The key is D, but I think it should be HAD TO instead of HAVE TO. Is it right, please?

Yes, it should be "had to". I would change "while" to "when", too.
 
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