【題目】It is not always easy for the public to see ________ use a new invention can be of to human life.

【題目】As time went by, I gradually ________myself to the college school life.

【題目】The car let out a loud noise and then quickly disappeared ________.

【題目】“Put on your coat, ______ you will catch a cold!” This is what my mum often says .

【題目】Katy Perry is famous ________ a singer ________ her charming voice.

【題目】Any complaint will be ________ if it has no foundation after being closely analyzed.

【題目】________ is known, King and Tom try to make friend,________ is not easy.

【題目】—Look at these tracks. It ________ be a wolf. I’m sure about it.

【題目】The current champion of the FIVB Volleyball Women's World Cup is China, which ________ its fifth title at the 2019 tournament.

【題目】________ into account the possibility of stormy weather, we decided to spring for a cabin instead of setting up a tent.