Finally he reached a lonely island _________ was completely cut off from the outside world.
| A．when | B．where | C．which | D．whom |
-----Have you got any particular plans for the coming holiday?
----- Yes, _______, I’m going to visit some homes for the old in the city.
| A．If ever | B．If busy | C．If anything | D．If possible |
Shall Mary come to the concert with us？
－Notshe has finished her paper．
| A．since | B．once | C．when | D．unless |
Water, _______enough, can change into vapour quickly.
| A．when heated | B．heating | C．though to be heated | D．when is heated |
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 |
Doctors have said that as many as 50% of patients don’t take medicine_______.
| A．like directed | B．to be directed | C．as directed | D．so that directed |