A.road
B.way
C.theory
D.Means
[单选题]A student finds it difficult to learn the English sounds [θ] and [σ]. If yo
() proof of () theorem is not difficult.A. The; aB. The; theC. /; aD. the; /
__, this book is not very difficult.A. Generally sayB. Generally sayingC. Genera
Yet juggling(兼顾)the demands of each can be difficult. By thinking differently we
_ research has been done into this difficult and complicated case,so we believe
[单选题]We took( )so smoothly that the passengers could hardly feel it.A.overB.down
[单选题]The work seemed easy at first but it _____ to be quite difficult.A.broke ou
[单选题]The work seemed easy at first but it _____to be quite difficult.A.broke out
The work seemed easy at first but it ______ to be quite difficult.A. broke outB.
[单选题]When we arrived at the station, it was said that the train would be late fo