So far, the moon ______ by man.
A: is visited
B: will be visited
C: has been visited
D: was visited
A: is visited
B: will be visited
C: has been visited
D: was visited
举一反三
- The moon ____ by man so far. A: is visited B: will be visited C: has been visited D: was visited
- The moon __________ many times by men so far. A: have been visited B: has been visited C: were visited D: was visited
- I ( ) my uncle yesterday（ ）。 A: is visiting B: has visited C: visit D: visited
- What do we learn about the man? A: He saw the big tower he visited on TV. B: He has visited the TV tower twice. C: He has visited the TV tower once. D: He will visit the TV tower in June.
- I ______ the Summer Palace before, but I decided to visit it a second time. A: have visited B: visited C: hadn't visited D: had visited