初二英语语法题 四道
〔1〕We have no problems ____(work) it out.
[ 2 ]There was no time for her ____(open) the box.
[ 3 ]There is nothing for him ____(worry) about.
[ 4 ]All the food ____ (be) on the table now.
请留下正确的答案．
最关键的是,我需要较为详细的解析．