he must have studied English for many 为什么要用have而不是has
he must have studied English for many 为什么要用have而不是has
You must have studied English for many years是现在完成时吗
反义疑问句:you must have studied English for three years,_____?he
He must have studied English last night,___he?
you know you have a dept to many people 为什么要用to 而不是for many
I have studied English for three months.
how long have you studied english for?
Does he have long hair一句中为什么用have而不是has
Mr Green_____China for weeks.He must have visited many place
( ) have you studied English.
He must have learn English for three years,___?
"—have they studied English "They have studied English for t