根据句意,用所给动词的适当形式填空。 My parents ask me ________________ (not go) there alone. My mother ________________ (cut) a piece of cake for me now. She spends a lot of time __________(plan) her trip and enjoyed the holiday very much. Thank you for ________________ (invite) me to your party. It’s great! If it ________________ (not rain) tomorrow, we will go shopping.