Einstein is known _________ a great scientist. A of B for C as D to
– This box is too big, could you help me carry it? – _________. A. Of course B. You’re welcome C. That’s OK.
–What are you doing here? – I’m _________ my wallet, but I can’t find it. A. looking after B. looking for C. look at
Lily and Lucy are sisters. _________ of them dance well. A. Both B. All C. Each
– What’s near the house? – An apple tree. Some birds are singing _________ the tree. A. on B. in C. about
– Tom, stop _________ now. Listen to me! – Sorry, Mr. Smith. A.to talk B. talks C. talking