—I wonder .
—By working together and taking strong epidemic prevention (防疫) measures.
A.what we can do B.when the disease will be stopped C.how to fight against the disease
—Why were you shouting at Tom?
—I told him to be quiet, but he talking.
A.joined in B.kept on C.ended up
Of the two physics problems, Martha just finished ______ one.
A. the most difficult B. the least difficult C. the less difficult
Paper first about 2,000 years ago in China.
A.was, created B.is, created C.has, created
You walk on the wet hill path because you fall and hurt yourself.
A.must, might not B.mustn’t, might C.needn’t, can
I________abroad for several years, but I’ve never regretted my decision to come back to my motherland.
A.have lived B.lived C.am living