A. taught
B. teaches
C. teaching
D. to teach
[单选题]What did the scientists do to find out if the e-nose worked?A. They presented it with all common crops..B. They fixed 13 sensors inside the device.C. They collected different damaged leaves.D. They made tests on damaged and healthy leaves.
[主观题]What do you think“the talk show?(改为同义句)________do you________ the talk show?
[单选题]The technology for carrying out multiple processing by means of multiple pipelines is calledA.Super scalarB.SuperpipelineC.Multiple pipelineD.Very long instruction word
The lights are out.A. EvidentlyB. EvidentC. EvidencedD. Evidence
[单选题]The math problem is ______ to work out.A.too difficultB.difficult muchC.eno
Youyour sweater inside out.A. had wornB. woreC. were wearingD. are wearing
[单选题]I had somedifficulty in [carrying out] the plan.A.implementingB. changingC.
[单选题]That was a difficult question, but Mary still _______ towork it out.A.did B
[单选题]That was a difficult question, but Mary still ______ to work it out.A.didB.
[单选题]The colors in these artificial flowers are guaranteed not to come out.A.dis