The smart boy made a hole in the wall,_____he could see what was going on in the room.
A: on which
B: at which
C: through which
D: in which
A: on which
B: at which
C: through which
D: in which
举一反三
- The clever boy made a hole in the wall , he could see what was going on inside the house． A: in which B: through which C: at which D: on which
- The clever boy made a hole in the wall, he could see what it was going on inside the house. A: on which B: at which C: through which D: in which
- The clever boy made a hole in the wall, ______ he could see ______ was going on inside house. A: which; what B: through which; what C: through that; what D: what; that
- The clever boy made a hole in the wall（）he could see what was happening inside. A: at which B: in which C: where D: through which
- The clever girl made a hole in the wall,_______ she could see _______ was going on inside the castle. A: through which;what B: through that;what C: which; what D: what that