What was the singer doing before the introduction？A．She was recording a record.B．She was w

What, according to Hodge, should people do before doing drills with a cold？A．Determine the

What should the couple do before they talk with their children about financial issues？A．Op

What does the man need to do before taking the course in Poets of the 1960s？A．To give up h

According to paragraph 1, what was a common claim about ecological communities before the

What does the student tell Professor Anderson she will do before their next meeting？A．Regi

What was the relationship between the US and Iran before？A．Hostile.B．Friendly.C．Irrelevant