Bob spent six months alone on his boat. _____, Ann took care of the children on her own.
---Who is making so much noise? ---___ the children.
According to common practice, the president _________ hold office for five years.
Will you help me out with this mathematical problem? I ____ it.
The 2014 FIFA World Cup will be held in Brazil on June 13th, 2014, and 32 football teams_____ so far.
---Did Tom come back late last night? ---No. It was not yet 8 o’clock ____ he arrived home.