1. If you (send) ____________ this letter now, she (receive) ____________ it tomorrow.
2. If I (do) _____________ this test, I (improve) _____________ my English.
3. If I (find) _____________ your ring, I (give) _____________ it back to you.
4. Peggy (go) ___________ shopping if she (have) ___________ time in the afternoon.
5. Simon (go) ___________ to London next week if he (get) __________ a cheap flight
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Sinh Học lớp 12
