Complete each of the following sentences with the correct fo

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Complete each of the following sentences with the correct form of the words given below.
1,I lost my keys and could not ___ the door.(lock)
2,Mary was already an______-primary school teacher at the age of 25.(experience)
3,Their lives were frequently______by gas explosion.(threat)
4,The first American ______ of this opera was in 1926.(perform)
5,The boy is______ to have had the help and guidance of such a learned uncle.(fortune)
6,You will increase your______ if you introduce more system into your work.(efficient)
7,If you use this chemical to clean your shirt,the stains will ______ immediately.(appear)
8,John and Mary had a______ ,but they have made it up now.(understand)
9,The children looked wonderfully______ with their bright eyes and glowing cheeks.(health)
10,Looking up,I saw his eyes fixed on me in______ .(curious)

unlock
experienced
threatened
performance
fortunate
efficiency
disappear
misunderstanding
healthy
curiosity

Complete each of the following sentences with the correct fo Complete the following sentences with the correct form of th Complete each of the following sentences with the appropriat Directions:Complete each of the following sentences with the complete each of the following sentences with an appropriate 英语翻译Complete the following sentences with the correct phrasa Complete the sentences with the correct form of the verbs Complete these sentences with the correct form of the irregu Complete the sentences with the correct prepositions of time Complete the passage with the correct form of the following complete the sentences with the correct ( )(形式) complete the following sentences with proper form of the phr