___ their final medical check,the astronauts boarded their spacecraft.

What about playing with the boysthere in the water while learning swimming — In my opinion, ________

The shopping mall is making every effort to ________ new customers in order to sell more foods.

It’s already 10 o’clock. I wonder how it _____ that she was two hours late on such a short trip. [ ]

1— Bill, can I get youanything to drink — _________.