We will go to the park if it____ tomorrow.

You needn’t worry about _______food to eat this evening．

Thetwocountriesstartedmanyco-operationsinorderto____________thetiesbetweenthem.[ ]

下列字母都是元音字母的是________。

Do you know what presents they will buy for our teachers on Teachers’ Day—No, they keep the secret to __________.