Fill in the blank with a suitable preposition. He’s waiting for her ................. the bus stop.

Choose the correct answer to complete the sentence. We_____ robots do our housework in 50 years’ time.

Choose the correct option to fill in the blank of the sentence: I think she ________ the party tomorrow.

Choose the correct option to fill in the blank of the conversation : Jenny: He said that he would come late. Jay: I _________ for him.

Next month is Lien’s birthday. She ............ some of her friends to her birthday party. A. invite B. invites C. is going to invite D. invited

Choose the correct option to fill in the blank of the sentence: People _________ on the Moon.