All the students______ laughter when David walked into the classroom like Donald Duck.

Some farmers are no longer _____ with two harvests per year; they are now striving for three．

No one can imagine the difficulty he had ______ playing computer games.

.You’d better not buy this kind of cloth, it _______.

The old man said that he would ________ more people who would not have too much work  to do in the week to come to do the construction work.