_____birds can fly very high in_____sky.

The green kite can fly______than that red one． A．hight B．fastC．higher D．as high

Only a very delicate thermometer can ________ such tiny changes in temperature in a p

The time will come ______ man can fly to ______ he likes in the universe.A．how…whereB．when

According to the passage, we can know that______.A．the Finnish society has very high moral

Some birds will fly away to the south in winter, while _____ will stay with you. A.

You can fly to London this evening______ you dont mind changing planes in Paris.A．provided