Jack， your T﹣shirt is so beautiful， could you tell me _______ it？
Oh， yes． I bought it in a store online．（ ）
| A． |
where did you buy |
B． |
where do you buy |
| C． |
where you buy |
D． |
where you bought |
﹣Shall we go to the airport to ___ your sister？
﹣I don't think it's necessary． She will come here by taxi．（ ）
A．see offB．pick up
C．look afterD．come across
﹣I wonder ____ the students have a physical examination．
﹣Once a year．（ ）
A．how farB．how soonC．how longD．how often
The designer has tried every possible way to make the robot light， so you _____ worry about its weight．（ ）
A．mustB．mayC．can'tD．needn't
On sunny days， my grandma often reads a novel ____ the window．（ ）
A．byB．forC．withD．from
﹣Hello， Beijing Hotel． Can I help you？
﹣Yes， I'd like to _____ a single room for two nights．（ ）
A．enterB．moveC．bookD．provide