----Mike wants to know if ________ a picnic tomorrow.---- Yes. But if it ________, we will visit the museum instead.
---- If you don’t know what the new words mean , ________- in a dictionary .
---- ______ you ever ______ aboard ?--- Yes, but only once.
---Why didn’t the little boy raise his hand in class today ? ---- Maybe the questions are ______ difficult for him_______ answer .
–Could you tell me ______ yuanxiao in China? --Usually at the Lantern Festival.
Friends are those _____ always stand by your side when you need help.