句首动词形式判定方法
原形组成祈使句特点：1.句中没有其它谓语形式动词．“___ quite, boys and girls!” asked the teacher.A. Are          B. Is             C. Being         D. Be
D
2.题干由and/ or 分成两个部分，前面没有谓语动词，后面结构完整．
１. ___ straight on and you’ll see a church. You won’t miss it.Go   B. Going C. If you go  D. When2. – English has a large vocabulary, hasn’t it?  -- Yes. ___ more words and expressions and you will find it easier to read and communicate.  A. Know          B. Knowing             C. To know        D. Known
A
A
3. ___ to m ...