第一部分英语知识运用 (共两节,满分30分)单项填空(共15题;每小题1分,满分15分)Allen had to call a taxi because the box was __________ to carry all the way home.
________ you are unable to deal with it, perhaps we should ask someone else for help.
You seem to have a readymade answer ________ I ask you a question.
—What has made John look like lacking sleep? —________ he had to prepare for the coming exam and stayed up last night.
Everyone is different and that is ________ makes our world much better.
The most impressive sites of Chishui Danxia are its various waterfalls, ________ the Shizhang Waterfall is the largest one.