问题

Don’t skate on the lake! —Why not Isn’t it thick enough___________
A:to skate
B:skating on
C:skating
D:to skate on;
B:skating on
C:skating
D:to skate on;
正确答案是:
同类题型
The noise of the train __________ in the dark night.
There is little milk in the bottle, _______
I’d prefer to ________ my judgement until I find all the evidence.[ ]
I knew that _____ wouldever discourage him; he would never give up wanting to be a director
.—- Is there a table for 4 ,please —–_____ , please .Is the one near thepiano OK