The two leaders have _____ the foundations of a new era in cooperation between their countires.

―Would you like to visit the new museum with us this Sunday―____________, but I will have to work then.

52 _____ I went to the hospital to see Jack, who had _____ had an operation

Since we ________ our homework now. Let’shave a rest.

ThefamouspianistLanglangoweshisgreatsuccesstomanypeople,hisfather________.[ ]