The students  get on the bus ______        .

 ---I’m going to the supermarket, let me get you some fruit.---OK. Thanks for your _____________.

— Oh, my god! We have missed the last bus. What shall we do? —I’m afraid we have no ______but to take a taxi.

 —What do you think of the 3-D printer?—It’s great although it still needs further       .

—Excuse me, what’s the_________usually used for? --It’s used for protecting people from the rain.