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He will call me{#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#}he {#blank#}4{#/blank#} in Guangzhou .

It's a {#blank#}1{#/blank#}, {#blank#}2{#/blank#}I just don't have the time to play together with you under the tree.

在雪天里登山是很危险的。(be)

I am not sure {#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} {#blank#}4{#/blank#} out this difficult maths problem in ten minutes.

They {#blank#}1{#/blank#} {#blank#}2{#/blank#} at the party.