We will go to Summer Palace ______ it doesn't rain tomorrow.
A. and
B. but
C. if
D. however
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Buying a lot of clothes _____ her dream.
A. are
B. is
C. to be
D. being
You should speak English as _____ as you can.
A. much
B. more
C. a lot
D. many
I don't know how _____ this problem.
A. do
B. to do
C. solve
D. to solve
染色分为基础色染色和还原色染色,后者是在深色被毛上染色,为方便预判颜色效果,需要先退色。
A. 对
B. 错