Câu hỏi: Be careful about the time. If you .................. too long on the first question,you ............... enough time to do the others properly.

A. had spent - would not have

B. had spent – would not have had

C. spend - will not have

D. spent - would not have had

Câu 1: .............................. if I were you.

A. These wires would look dangerous

B. You should not touch these wires

C. I would not touch these wires

D. These wires were dangerous to you not to me

Câu 2: If you'd told me you were coming, .............................

A. I can get some food in

B. I’d have found us something to eat

C. I made a lovely dish

D. I’ll buy some more food

Câu 3: We’ll have to break the ice on the pond; otherwise the ducks .............. swim.

A. are not able to

B. will not be able to

C. would not be able to

D. would not have been able to

Câu 4: The farmers got their crops ................... earlier than they hadexpected.

A. picked 

B. has picked

C. pick

D. was picked

Câu 5: If you do decide to come, ............................

A. the party’s always a success

B. we would have been so happy

C. I won’t be coming either

D. let me know

Câu 6: Exactly .............. we can replace our soil disappearing through erosion is not known.

A. what

B. how

C. if

D. because