1.Lang Lieu couldn't buy any special food______he was very poor
A.although B.when C.while D.because
2.Remember to______your shoes when you get into a japanese
A.take over B.take place C.take on D.take off
3.Saint Giong was unable to talk, smile, or walk______he was three years old
A.even though B.because C.while D.if
4.This is the first time I______myself out of the house
A.locked B.have locked C.am locking D.lock