我国对外开放是向()开放。
不属于PKI基础技术的是()
Weneedfriendsto________,orwewillfeellonely.
Hisbackacheisonly_________fornotwateringtheflowers.
在对外开放政策内容中,决定我国对外开放程度和范围的是()。
I'msorryI'veforgottentopostyourletter.
—Nevermind._____postitmyself.
中美是什么时候建交的()
--It’ssaidthatallthehotelsarefilledwithtourists.
--Don’tworry!I_________aroominMianzhouHotel.
---Haveyoumovedintothenewhouse?---Notyet.Therooms__________.
Thenumberoftallbuildings__________greatlyinTianjininthelastfewyears.