选择正确的单词并用其恰当的形式完成下列句子

问题描述:

选择正确的单词并用其恰当的形式完成下列句子
1.Our bedrooms are __________(big) than theirs.
2.The ______ (enter) of the new block is large.
3.There are twenty ______(invite)on the desk.

1.bigger
2.entrance
3.invitations