He is expert ___ science A. at B. on ...

[ Prepositions ]

He is expert ___ science

A. at

B. on

C. in

D. for

Select your answer:

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Tenses › View

Meeting at 3 o’clock in the afternoon isn’t a good idea as I —- one of my clients then.

A. was going to see

B. will have seen

C. have seen

D. will be seeing

E. was seeing

Past Tenses › View

I could not remember the poem we (learn) the week before.

A. were learned

B. learned

C. had learned

D. have learned