Some scholars have come ______ a new solution to the problem of population control.
A: up
B: up with
C: down
D: down with
A: up
B: up with
C: down
D: down with
举一反三
- Don't sit _____. Stand _____, please. A: up, down B: down, up C: down, down D: up, up
- The boss asked each employee to _______ some new ideas to improve the sales of cosmetics . A: take control of B: take charge of C: come up against D: come up with
- It is ______ to the government to work out some new policies to solve the problems. A: over B: up C: down D: of
- Some believe that the Covid-19 pandemic will have a catastrophic effect ____ the global economy. A: up B: with C: on D: down
- I stayed up all night ______ to find a new solution to the problem A: trying B: have tried C: try D: tried