The sports meeting won't be put off _____ it rains．（ ）
A．untilB．ifC．unlessD．whether
Elder brother： Which is much braver， the sun or the moon， Tom？
Younger brother： Of course the moon． Because it isn't the dark．（ ）
A．harmful toB．afraid ofC．sure aboutD．thirty for
Chang'e 4 landed on the far side of the moon on January 3， 2019．
Wow! This day should be remembered．（ ）
A．completelyB．suddenly
C．successfullyD．strongly
It's not a good for students to go online just for answers to homework．（ ）
A．skillB．gameC．hobbyD．habit
Remember to keep the dog on a leash （狗链） you walk it， honey!
Sure． I won't let it hurt others．（ ）
A．untilB．afterC．whileD．since
How time flies! The middle school life is coming to an end．
Yes． We have to say goodbye， our friendship will last forever．（ ）
A．forB．butC．orD．so