Whlie I was in the university, I learned taking a photo, _______ is very useful now for me.

[单选题]While I was in the university, I learned taking photos,___________ is very

[单选题]While I was in the university, I learned taking photos, ____ is very useful

[单选题]While I was in the university,I learned taking a photo,()is very useful now

[单选题]My friend _____ me. I have to leave now.A． waits for B. waited for C. is waiting for D. was waiting for

—Forgive me. I was so busy just now.A. must have greetedB. must greetC. should h

After the accident .my roommate called a doctor for me. I was very grateful and

[主观题]The photo reminds me of the happy time I spent in Shanghai.

I _____ the trouble to carry my umbrella with me.A. should have takenB. could ha

Remember to send me a photo of us next time you ______ to me.A. are writingB. wi

[单选题]What a bad memory I’ve got! I even forgot ______the book with me.A.to takeB