She has a gift for creating an atmosphere for her students________allows them to communicate freely with each other.
| A．which | B．where | C．what | D．who |
Chinese Vice-Premier called on Thursday for______ all-out effort to ensure ______ food and drug safety.
| A．an; a | B．an; 不填 | C．the; the | D．不填; the |
---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 |