—Shall we _______ Tom _____ the zoo this morning ?
It’s difficult to live in a foreign country,________if you don’t speak the language
Mobile phones are very popular nowadays and they are_______ than before.
_______of the newspaper in the world are written in English.
Excuse me, sir. I bought the shoes yesterday, but they are in different sizes. One is size 37, _____is size 38.
Tom. Mary can’t open the box. can you give ______ a helping hand?