---I’m sorry! I would have taken him to hospital if I had known he was seriously ill.
--- But ______ .
| A．you didn't | B．you hadn't | C．he wasn't | D．you aren't |
—When did the story happen?
—It happened in ________ spring of ________ 1937.
| A．the; the | B．a; the | C．the; 不填 | D．不填；不填 |
The item you requested yesterday is no longer available and ________ we are returning your cheque.
| A．therefore | B．altogether | C．otherwise | D．moreover |
I kept looking at the man wearing a pair of glasses, wondering ________.
| A．whether did I borrow his book | B．where I had seen him before |
| C．what I knew his wife | D．when had I helped him |
It was not until last year ________ he got in touch with his father in Canada.
| A．where | B．what | C．how | D．that |
Every morning at a ________ time after breakfast she gave him an hour’s lesson.
| A．busy | B．patient | C．convenient | D．present |