1. Join ( watch) _____ TV when his friend (ring) _____ him up last night.
2. You (be) _____ able to speak English better if you (learn) _____ harder.
3. How much time do you spend (watch) _____ TV every day?
4. Nam (not visit) _____ the museum wwith his class last Sunday because he (catch) _____ a cold.
5. Boys like (play) _____ marbles or chevy while girls enjoy (skip) _____ rope or chatting.