________ the course very difficult，she decided to move to a lower level.(2013·北京，24)
#88738
A
Find
B
Finding
C
To find
D
Found
推荐题目
Canada is a country _____many different nationalities as well as one with foreign immigrants _____ the majority of its population.
#89796
A
making up of; made up
B
consisting of; making up
C
made up of; consists of
D
consisted of; made up
_____ time, the teacher had us do half of the exercises in class and complete the other half for our homework.
#88569
A
To save
B
Save
C
Saving
D
Having saved
______ some of the questions ______,the man said good-bye to us.
#99019
A
Leave;unanswered
B
Leaving;unanswered
C
Left;to be answered
D
Leaving;unanswering
Shanghai is the first city in the world ____a high-speed maglev train, from the city to Pudong Airport.
#98099
A
to build
B
to be built
C
to have built
D
to have been built
Each of the students，working hard at his or her lessons， to go to university.
#91371
A
hope
B
hopes
C
hoping
D
hoped