o you think of the price of these computers–They are at least equal in price to, if not cheaperthan, ____at the other companies

Have you learned English before ? —-Yes,I _____English for 6 years in my hometown

The English word “survive” _______ “stay alive”.

What about going to the zoo by bus — ___ _.

下列各句中，没有语病的一句是（ ）