_____ great progress we have made, we should not be conceited.(自大的)
| A．Whatever | B．How | C．However | D．What |
---The food here is nice enough.
---My friend ______ me a right place.
| A．introduces | B．introduced | C．had introduced | D．was introducing |
It is not I but Tom and his wife that ______ for the car accident.
| A．am to blame | B．are to blame | C．am to be blamed | D．are to be blamed |
I think you should go back to your plan, which is much more practical than the present one．
| A．random | B．abstract | C．original | D．ridiculous |
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 |
___not to miss the flight at 15:20, the manager set out for the airport in a hurry.
| A．Reminding | B．Reminded | C．To remind | D．Having reminded[ |