opinion, everyone has periods in their lives_______ everything seems very hard.

第二部分：英语知识运用第一节：单项填空从每题所给的A、B、C、D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。21. I wonderwehaven’t received her invitations yet. Her wedding is only two days away.

My mother _______ a bed in the sitting-room for my cousins from the countryside.

Occasions are quiterare ______ I have the time to spend a day with my kids.

Happy birthday to you, Susan.—______.