He tried his best to solve the problem, ______ difficult it was.
| A．however | B．no matter | C．whatever | D．although |
. Does the price include breakfast only, or dinner ___?
| A．so well | B．as well | C．so good | D．as good |
.Do you remember me ____ you that same question?
| A．to ask | B．asking | C．to be asking | D．have asked |
I got out of the taxi, ____ the fare and dashed into the station.
| A．paying | B．paid | C．to pay | D．having paid |
He pushed his way throuhgh the crowd,saying “___”
| A．Never mind | B．With pleaure | C．Go ahead | D．Excuse me |
____ a lot of work to do, all the workers are not allowed to take their holidays.
| A．Because | B．For | C．Since | D．With |