【单选题】
20. Only when he had handed in his exam paper ____ he had made several mistakes.
①
he has realized
②
does he realize
③
has he realized
④
did he realize
【单选题】
The reason why he didn’t take the exam was _____ he had an accident on his way to the school.
①
because
②
because of
③
that
④
due to
【单选题】
3. He had to ______ his past actions when he retired, or he would be punished.
①
consider
②
account for
③
think
④
popular
【单选题】
It was not until he arrived in class _____ realized he had forgotten his book.
①
when he
②
that he
③
and he
④
he
【单选题】
He didn’t keep on asking me the time any longer as he had had his watch ____.?
①
repaired ?
②
to repair ?
③
repairing ?
④
repair?
【单选题】
、Although he had looked through all the reference material on the subject, he still found it hard to understand this point and her explanation only ____ to his confusion.
①
extended
②
amounted
③
added
④
turned
【单选题】
25．It was the training _______ he had at school _______ made him good jumper．
①
what；what
②
that；that
③
what；that
④
that；had
【单选题】
If he had worked harder, he ___.
①
would succeed
②
had succeeded
③
should succeed
④
would have succeeded
【单选题】
It was the training that he had as a young man ____made him such a good engineer.
①
that
②
has
③
what
④
later