It’s so wet there that the trees are extremely tall, some ______ over 90 meters.

With all the novels he was interested in ___, he left the library and went back to his dorm.

With a lot of homework _________, I had to stay at home all day.

----Three students came late to school this morning, Tom and Jack_______.

Many strange new means of transport have been developed in our century, the strangest of _______ being perhaps the hovercraft(气垫船).