他精心策划了一个假证据来陷害同事。
He was ___contriving false evidence to frame his colleague.
他精心设计了一个看似合理的谎言来掩盖自己的错误。
He ___contrived a plausible lie to cover up his mistake.
尽管没有合适的工具,他还是设法修好了自行车。
Without proper tools, he ___contrived to fix his bicycle.