The number of medical schools reached 18 in the early 1990s and ______ around that level since.

1. The number of medical schools reached 18 in the early 1990s and ______ around that level since.

A. are remaining B. have remained C. is remaining D. has remained

【考点】

现在完成时; 主谓一致;

【答案】

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单选题普通

1. China's high-speed railways _________ from 9,000 to 25,000 kilometers in the past few years.

A. are growing B. have grown C. will grow D. had grown

单选题容易

2. I half of the English novel, and I'll try to finish it at the weekend.

A. read B. have read C. am reading D. will read

单选题容易