Khối lớp ba có 345 học sinh, khối lớp bốn có ít hơn khối lớp ba là 24 học sinh. Hỏi cả hai khối có bao nhiêu học sinh?

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I. Use the given words to write the complete sentences. 1. Trang/ like/ cat/ noodles/ but/ mother/ always/ cook/ rice/ her. _______________________________________________________________ 2. I/ judo/twice/ and/ I/ go/ dance class/ too. _______________________________________________________________ 3. I. can’t/ soccer/ classmates/ this afternoon/ because/ I/ visit/ my grandmother/ hospital. _______________________________________________________________ 4. That/ channel/ tell/ people/ life/ animals/ world. _______________________________________________________________ 5. I/ take part/ swimming competition/ school/ last week/ and/ win/ third prize. _______________________________________________________________ 6. How many/ kinds/ sports/ there/ world? _______________________________________________________________ II. Finish each of the following sentences so that its meaning stays the same. 1. Last year, my family attended a summer camp. -> Last year, my family took _______________________________________ 2. My favourite sport is volleyball. -> I like _________________________________________________ most. 3. Running every day is good for your health. -> It is good _______________________________________ every day. 4. Anna is good at swimming. -> Anna is a ______________________________________________________ 5. Tom is not so interested in playing chess as Ann is. -> Ann is more____________________________________________________ 6. My uncle climbs the mountain fast. -> My uncle is ____________________