We all know that, __________, the situation will get worse.
| A．not if dealt carefully with | B．if not carefully dealt with |
| C．if dealt not carefully with | D．not if carefully dealt with |
_______ professional pianist practises for several hours a day, but _______ has his own way of playing the Beethoven music.
| A．Each；every | B．Every；each |
| C．All；every | D．Either；every |
The lawyer seldom wears anything other than a suit __________the season.
| A．whatever | B．wherever | C．whenever | D．however |
Water, _______enough, can change into vapour quickly.
| A．when heated | B．heating | C．though to be heated | D．when is heated |
To tell the truth, I won’t go to the party_______.
| A．so as to invite | B．even if invited | C．if inviting | D．if invite |
The man stopped from time to time_______whether he was being followed.
| A．as if found | B．as to find | C．as if to find | D．when found |