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— The woman biologist stayed in Africa studying wild animals for 13 years before she returned.  

— Oh, dear ! She ______ a lot of difficulties !

A. may go through                  B. might go through

C. ought to have gone through         D. must have gone through

— The woman biologist stayed in Africa studying wild animals for 13 years before she returned. w.w.w.k.s.5.u.c.o.m

— Oh, dear! She ______ a lot of difficulties!

A. may go through                  B. might go through

C. ought to have gone through         D. must have gone through

—The woman biologist stayed in Africa studying wild animals for 13 years before she returned.?

—Oh, dear! She _______ a lot of difficulties!

A. may go through B. might go through?

C. ought to have gone through      D. must have gone through?

— The woman biologist stayed in Africa studying wild animals for 13 years before she returned.  

— Oh, dear ! She ______ a lot of difficulties !

A. may go through                  B. might go through

C. ought to have gone through         D. must have gone through

—The woman biologist stayed in Africa studying wild animals for 13 years before she returned.?

—Oh, dear! She _______ a lot of difficulties!

A. may go through             B. might go through?

C. ought to have gone through      D. must have gone through?

—The woman biologist stayed in Africa studying wild animals for 13 years before she returned?.

—Oh,dear!She ______a lot of difficulties!

A.may go through

B.might go through

C.ought to have gone through

D.must have gone through

---- The woman biologist stayed in Africa studying wild animals for 13 years before she returned.

---- Oh, dear! She _______ a lot of difficulties!

A. may go through                       B. might go through

C. ought to have gone through             D. must have gone through

— The woman biologist stayed in Africa studying wild animals for 13 years before she returned.   

— Oh, dear ! She ______ a lot of difficulties !

A. may go through                  B. might go through

C. ought to have gone through         D. must have gone through

—The woman biologist stayed in Africa studying wild animals for 13 years before she returned.

— Oh, dear! She _________ a lot of difficulties!  

A. may go through                           B. might go through

C. ought to have gone through         D. must have gone through

— The woman biologist stayed in Africa studying wild animals for 13 years before she returned.  

— Oh, dear ! She ______ a lot of difficulties !

A. may go through                  B. might go through

C. ought to have gone through         D. must have gone through