The plane ___at 7:00 pm ,so I have to ve at the airport by .A has left B is to leave C will have left D leavesMany houses ___for teachers since last year A are building B built C have built D have been built That's a nice watch@ Is it ___in China?A m

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The plane ___at 7:00 pm ,so I have to ve at the airport by .A has left B is to leave C will have left D leavesMany houses ___for teachers since last year A are building B built C have built D have been built That's a nice watch@ Is it ___in China?A m

The plane ___at 7:00 pm ,so I have to ve at the airport by .A has left B is to leave C will have left D leavesMany houses ___for teachers since last year A are building B built C have built D have been built That's a nice watch@ Is it ___in China?A m
The plane ___at 7:00 pm ,so I have to ve at the airport by .
A has left B is to leave C will have left D leaves
Many houses ___for teachers since last year
A are building B built C have built D have been built
That's a nice watch@ Is it ___in China?
A make B making C made D makes

The plane ___at 7:00 pm ,so I have to ve at the airport by .A has left B is to leave C will have left D leavesMany houses ___for teachers since last year A are building B built C have built D have been built That's a nice watch@ Is it ___in China?A m
D 计划好的或者一定会发生的动作,可以用一般现在时代替将来时.
D 房子是被修建的,所以用被动语态be done形式,since是完成时的标志,合起来就是have been done形式.
C 手表是被制作,所以是被动语态be made,只不过这里是问句,be动词提前了.

B is to表将来 =will
D since 用现在完成时 房子被造 用被动
C be made in 某地 固定搭配

1.C
2.D
3.C

1.看不懂,请把动词给出来
我猜是B
2.D完成时
3.C

D部分短暂性动词可用一般现在是表将来
Dsince last year与现在完成时连用
Cbe made in制造于