Wash your hands＿＿＿you have dinner.A.before B.but C.when D.so 还有几题：Early men found fire very＿＿＿millions of years ago.A.use B.useful C.useless D.usesOnly a quarter of the Earth is＿＿＿.A.oceans B.land C.forests D.seas
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Wash your hands＿＿＿you have dinner.A.before B.but C.when D.so 还有几题：Early men found fire very＿＿＿millions of years ago.A.use B.useful C.useless D.usesOnly a quarter of the Earth is＿＿＿.A.oceans B.land C.forests D.seas
Wash your hands＿＿＿you have dinner.A.before B.but C.when D.so
还有几题：Early men found fire very＿＿＿millions of years ago.
A.use B.useful C.useless D.uses
Only a quarter of the Earth is＿＿＿.
A.oceans B.land C.forests D.seas
Wash your hands＿＿＿you have dinner.A.before B.but C.when D.so 还有几题：Early men found fire very＿＿＿millions of years ago.A.use B.useful C.useless D.usesOnly a quarter of the Earth is＿＿＿.A.oceans B.land C.forests D.seas
1.选A 在吃饭前洗手.
2选B.早期的人人们数百万年前发现火很有用.
3.选B.其他三个词都是复数.而is 后要求用单数名词.
A饭前要洗手
B古代人类在几百万年前就发现火很有用
B地球上只有1/4是陆地
A.before C.useless C.forests
C,B,B
A.B.B 不知道是不是全对....
Wash your hands＿A＿＿you have dinner. (饭前请洗手）
A.before B.but C. when D.so
Early men found fire very＿B＿＿millions of years ago.（几百万年前，早期人类发现火非常有用）
A.use B.useful C.useless D.uses
Only a q...
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Wash your hands＿A＿＿you have dinner. (饭前请洗手）
A.before B.but C. when D.so
Early men found fire very＿B＿＿millions of years ago.（几百万年前，早期人类发现火非常有用）
A.use B.useful C.useless D.uses
Only a quarter of the Earth is＿B＿＿.（地球只有四分之一的土地）
A.oceans B.land C.forests D.seas
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