the end of last week, he had interviewed more than 50 for his research about the online-learning.
A. At; passer-by
B. By; passers-by
C. By; passer-bys
D. At; passers-bys
It took him six days to go the desert a car.
A. across; on
B. across; by
C. through; on
D. through; by
Our main speaker will not be able to arrive on time the bad weather at the airport.
B. as a result of
C. as a result
D. thanks to
He played a trick _____ Alice and he had to apologize ______treating her to a nice lunch.
A. on, for B. in, by C. on, to D. on, by
We should pay more attention _____ the classroom clean.
A. to keep B. to keeping C. in keep D. in keeping
______ his return from Europe , he set to work on the project..
A. As B. At C. Upon D. For
Lewis was much admired ______ his work on the advanced medical research.
A. on B. in C. for D. with
________ the next few days they got to know the town well．（ ）
A．After B．For C．Over D．By
Scientists are convinced ________ the positive effect of laughter _______ physical and mental health．（ ）
A．of； at B．by； in C．of； on D．on； at
_______ production up by 80%，the company has had another excellent year．（ ）
A．As B．For C．Through D．With
have to work really hard this weekend，________ two exams to worry about
A．With B．Besides C．As for D．Because of
No one helped me．I did it all ________ myself．（ ）
A．for B．by C．from D．to
the trouble they were in，they still managed to help us with some money．（ ）
A．In spite of B．Despite of C．In terms of D．In sight of
My mum's letters really encouraged me _____ my illness．（ ）
A．over B．for C．throughout D．within
The city is also famous____ its restaurants，cafes and theatres.
A . for B. as C. like D.of
When I saw my friend driving to work, it suddenly occurred ____ me that I should get a driver’s license this year.
A. for B. at C. with D. to
Bob got a higher income because he had made great contributions ____ the company.
A. for B. to C. of D. On
After the speech, we will open the floor ________ discussion and all of you are expected to
take part ________it.
A. for; for B. in; for C. for; in D. in; in
Tom is similar _________heighi________Peter thought they are of different ages.
A. to, in B. in, to C. in, in D. to, to
What has convinced you ________this?
A. about B. of C. for D. at