He wonders ________. He is afraid that he doesn't have enough money.

A.how much will the computer cost

B.how much did the computer cost

C.how much the computer costs

D.how much does the computer cost

I'm thirsty. I'm not sure ________．

A.why I can get some water

B.where I can get some water

C.how I can get some bread

D.when I can get some bread

Many places are short of water. I want to know ________.

A.what I am supposed to do

B.how should we save water

C.which we should save water

D.why I am supposed to do

(2018唐山路南区二模)They haven't decided ________ for the holiday. Maybe they will go to Paris.

A.when they should go

B.where they should go

C.where should they go

D.when should they go

(2018石家庄新世纪外国语学校一模)He was disappointed ________ he didn't pass the exam.

A.when B.if

C.because D.although

(2018邯郸二模)He will set out for Tibet tomorrow, but he isn't sure ________．

A.whether he can buy a plane ticket

B.whether can be buy a plane ticket

C.where he could go

D.where could he go

(2018张家口桥东区一模)They looked very excited. I wonder ________ just now.

A.what they were talking about

B.what they are talking about

C.why they were talking about

D.why they are talking about

(2018石家庄桥西区一模)Tom sent his grandmother a gift last week, but he doesn't know ________．

A.whether she likes it B.where she likes it

C.why she chooses it D.how she chooses it

(2018邯郸一模)The first thing ________ should be done is to save the patient.

A.which B.that C.who D.whom

(2018哈尔滨改编)—Could you tell me ________？

—I'm not sure. Maybe this weekend.

A.when will we clean up the city park

B.where shall we clean up the city park

C.when we will clean up the city park

D.where we shall clean up the city park