1. (not go). In case of rain, we_________ on a picnic. 2. (do). I have never have him ________the heavy lìfting. 3. (contribute). Has he ever mentioned _________to charity? 4. (lend). It’s kind of him _________me a hand. 5. (work). I sometimes have problems _______out an easy maths questions. 6. (chair). – Don’t phone him now. He __________a meeting. 7. (leave). I noticed her ________the room with a guy. 8. (take). The teacher asked them ________notice of the explanation. 9. (not manage). If they ____________to cope with it, I would show them how to do it. 10. (lay). They __________the table. Let’s come and eat. 11. (eat-be) The last time I ______out _______ last weekend. 12. (do). That was the most difficult tasl I ___________. giúp em với em cần gấp