The teaching building ______ for the whole summer. A: will lock up B: will have been locked up C: will be locked up D: will have locked up

- Some of the magazines are missing. Did you close the door before leaving?- Yes, I remember ___ it, for it remains ___. A: to close; locked B: closing; locked C: closing; locking D: close; being locked

Two-thirds of the freshwater on Earth is locked in ______.

I remember ______ the door before I went to bed. A: locking B: to lock C: to have locked D: being locked

The thief tried to open the locked door but ________.

Which date was Wuhan locked down?

API函数（ ）用于删除本地文件。 A: wx.saveFile(Object object) B: wx.removeSavedFile(Object object) C: wx.getSavedFileInfo(Object object) D: wx.getSavedFileList(Object object)

隐藏loading 提示框的API函数是（ ）。 A: wx.hideLoading(Object object) B: wx.showLoading(Object object) C: wx.hideToast(Object object) D: wx.showModal(Object object)

显示loading 提示框的API函数是（ ） A: wx.showModal(Object object) B: wx.showLoading(Object object) C: wx.hideToast(Object object) D: wx.hideLoading(Object object)

隐藏消息提示框的API函数是（ ） A: wx.showToast(Object object) B: wx.showModal(Object object) C: wx.showLoading(Object object) D: wx.hideToast(Object object)