It is reported that single-parent children _____ some of the functions that the absent adult in the house would have served.
A.take up | B.take over | C.take in | D.take on |
An increasing number of students,year by year,across China _______ hard to realize their dream of studying abroad.
A.try | B.have tried |
C.will try | D.are trying |
I’m very tired. I _______ on the night shift for several weeks.
A.worked | B.had worked |
C.have been working | D.have worked |
Why don’t you put the fruit in the fridge? It will _______ fresh for several days.
A.be stayed | B.stay |
C.be staying | D.have stayed |
It was not until then that I came to know that knowledge _______ only from practice.
A.had come | B.has come |
C.came | D.comes |
—Where _______?
—I got caught in the traffic, or I would have been here sooner.
A.did you go | B.had you gone |
C.have you been | D.were you going |