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用括號(hào)中所給單詞的適當(dāng)形式填空．

If he ________(study)harder, he will do better．

用括號(hào)中所給單詞的適當(dāng)形式填空．

If Tom ________(come)to Nanjing, I ________(show)him around my hometown．

用括號(hào)中所給單詞的適當(dāng)形式填空．

If you keep ________(work)on the problem, you ________(solve)it soon．

用括號(hào)中所給單詞的適當(dāng)形式填空．

We should take some ________(act)to protect wild animals．

用括號(hào)中所給單詞的適當(dāng)形式填空．

How many ________(fox)are there in the forest?

用括號(hào)中所給單詞的適當(dāng)形式填空．

Many wild animals’ ________(live)areas are becoming farmlands．

用括號(hào)中所給單詞的適當(dāng)形式填空．

I am ________(true)sorry about it．

用括號(hào)中所給單詞的適當(dāng)形式填空．

Do tigers have good eyesight and ________(hear)?

用括號(hào)中所給單詞的適當(dāng)形式填空．

We hope the world will be ________(peace)forever!

用括號(hào)中所給單詞的適當(dāng)形式填空．

Some ________(hunt)kill bears for their paws．