— How is that, Blair?
— I wonder ______ it takes to be a good teacher beyond patience and a great knowledge of students.
| A．how is it that | B．how it is that |
| C．what it is that | D．what is it that |
---How is everything going on with you in Italy?
---Quite well. Not so smoothly as I hoped, _________.
| A．though | B．instead | C．either | D．too |
It wasn’t until nearly a month later ________ I received the manager’s reply
| A．since | B．when | C．as | D．that |
She asked me ________ the film the day before.
| A．if I have seen | B．whether I have seen |
| C．whether I had seen | D．if had I seen |
He insisted that the earth ________ around the sun.
| A．went | B．goes | C．go | D．should go |
Can you tell me ________ get to the chemistry lab ?
| A．where can I | B．where I can | C．how can I | D．how I can |