(2019德阳)I'll send you a message ________ I get to school.
A.since B.so that C.as soon as D.though
(2019昆明)________ we continue to kill elephants for their ivory, we humans will lose them in the end.
A.If B.Before C.Until D.Although
(2019苏州)Love your parents ________ they are alive. Don't wait until it is too late.
A.while B.though C.because D.unless
(2019安徽)He could find the way home ________ he was only three years old.
A.though B.because C.where D.if
(2019安徽)A better future is the goal of the Chinese people, ________ it's also the common interest of the world.
A.so B.and C.or D.but
(2019河南)Before you ask someone for help, find out ________ he is the right person for your problem.
A.since B.that C.whether D.unless