[ Present Perfect Tense ]
That scientist _________________ a cure for one type of cancer. His achievement was announced in the NY Times last week.
A. Discovers
B. Is discovered
C. Is discovering
D. Has discovered
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Grammar › ViewThey opened the box to see what it _____
A. include
B. contain
C. contained
D. involve
E. involves
Grammar › View
My father said to me, “You must work hard”.
A. My father said to me that I must work hard.
B. My father said to me that you must work hard.
C. My father told me that I had to work hard.
D. My father told to me that I had to work hard.