下列制备气体的实验设计中错误的是
He ____most of his time____English．（ ）
A．spends， studyingB．costs ， studied
C．takes ， to studyD．pays ， studies
﹣Shall we go to the airport to___your sister？
﹣No． She will come here by taxi．（ ）
A．give upB．pick up
C．look afterD．come across
﹣Everyone should stick to his dream．
﹣Yes． A life without a dream is like a bird without ________， which can't fly．（ ）
A．wingsB．waterC．cloudsD．food
﹣Where is Tom？
﹣He _____in his room． The light in his room is on．（ ）
A．mustn't beB．can beC．can't beD．must be
Reading is a good way____ the world．（ ）
A．for knowB．for knowsC．to knowD．to knows
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