Constructionoftherailwayshelpedtodevelopthenational_______ofTanzaniaandZambia.
A、economicIwon't________thosechildrenmakinganoiseinmyhouse!
Iboughtthiseighteenthcenturywritingdeskataquite________price.
________they'vegottoknoweachotheralittlebetter,theygetalongjustfine.
Itisusefultoscience_______theearthasanobjectinspace.
________theconcerthadbegundidwerealizewhatasplendidshowitwasgoingtobe.