It was 1969___ the American astronautssucceeded in landing on the moon.

The speaker had to get his voice ________ so as to make himself ________[ ]

Only when ______ the data again ______ that there was a mistake. [ ]

Give me your favorite blouse and I’ll see if the dirty mark will _____．

1 argued with my best friend yesterday. She isangry with me now. The underlined part means“______”.