— Mary, let’s go to the lecture by Hawking, which is said to be very interesting.
— I’d like to, but I ________ finish the report first.
A. can B. may 
must D. shall
Many high school students are _____ to go to college, but _____about failing the entrance examinations.
A. eager… generous B. eager…keen C. anxious…eager
eager… anxious
A variety of vehicles _____ in a steady stream along the main road.
A. canoed B. floated C. jogged
flowed
Some Jewish people risk____ and put to death to escape from Germany during the Second World War.
A. to be caught B. being caught C. to catch
catching
It is well-known that humans differ _____ other animals in their ability to speak.
A. with B. betweenC. onto
from
go round
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