问题
_________ all the pupils in the school felt the same effect of small classes remains to be researched.
A:That
B:Whether
C:What
D:If
B:Whether
C:What
D:If
正确答案是：
同类题型
I used to drink a lot of tea but these days I _____ coffee
y lazily in the armchair under the tree, the sun_____down through the broad leaves.
eaker is giving rather an _______ speech,as I can judge from the _______ look of all the listeners.
earing the good news, both the childand the mother ______ very happy