3、At Space Center Houston, visitors can ___. A.park the car free of charge B.stay there for at most 5 hours C.visit the real working areas anytime D.shop at a 10% discount in the Gift Station 2 Space Center Houston Space Center Houston is an official visitors’ center of NASA...
By taking the NASA T ram T our.【小题3】At Space Center Houston, visitors canA. park the car free of chargeB . stay there for at most 5 hoursC. visit the real working areas anytimeD . shop at a 10% discount in the Gift Station ...