A medicine may help with your illness, but it may make you , so you must be careful not to drive a car after taking such a medicine.
There are quite a few old books on the shelf, but _____ of them is useful to teenagers.
---Whose purse is it? ---If it isn’t yours, it must be _________.
________ a lot of trees in this area, but now we can see a tall building instead.
--We can take a subway in Wuxi in 2015. ---Wow, _________! Will it pass our school?
I’m sure he’ll ______ at tomorrow’s meeting, but I don’t know what he will ____.