2.Because of the snow, the pilot had to land the plane at an airport in another city.

come up

1.The subject came up at work.

2.Her cat came up and rubbed（摩擦） itself against their legs.

actually

1.One afternoon, I got bored and actually fell asleep for a few minutes.

2.No, I'm not a student. I'm a doctor, actually.

base

1.There was a bike path running along this side of the wall, right at its base.

2.He based his conclusions on the evidence given by the captured prisoners.

at present

1.I don't need the dictionary at present.

2.Many things in the country are now waiting to be done， but at present they are not able to do the things all at once.

make use of

1.You can also make use of paragraphs and headings etc. for longer list items.

2.Make use of overhead cabinets（橱柜） for folders（文件夹） and files you need but don't use all the time.

such as

1.Heroes such as Huang Jiguang will always live in the hearts of the people.

2.But what if you have a lot of audio material to listen to, such as audio books or podcasts（播客）?

command

1.He commanded his troops to attack.

2.I closed my eyes at his command.

request

1.Mr. Dennis said he had requested access to a telephone.

2.Students are requested to park at the rear of the building.

play a part in

1.Mr. Jobs's passing didn't play a part in their decision to get new phones, they said.

2.We are honored and privileged to play a part in their path to leadership.

recognize

1.The receptionist recognized him at once.

2.I recognize my own shortcomings.

straight 

1.Stand straight and stretch the left hand to the right foot.

2.Grace had long straight dark hair which she wore in a bun.